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Finding the Fourth Proportional to 169,824,682.40, 254,737,023.60 and 166,990,330.40

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Solution

The fourth proportional to 169,824,682.40, 254,737,023.60 and 166,990,330.40 is: 250,485,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,824,682.40 : 254,737,023.60 = 166,990,330.40 : x
  2. Step 2: Convert to fraction form
    169,824,682.40/254,737,023.60 = 166,990,330.40/x
  3. Step 3: Cross multiply
    169,824,682.40x = 254,737,023.60 × 166,990,330.40
  4. Step 4: Simplify right side
    169,824,682.40x = 42,538,619,736,076,600
  5. Step 5: Solve for x
    x = 42,538,619,736,076,600/169,824,682.40
  6. Step 6: Final answer
    x = 250,485,495.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.