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Finding the Fourth Proportional to 169,468.60, 254,154.30 and 51,111.40

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Solution

The fourth proportional to 169,468.60, 254,154.30 and 51,111.40 is: 76,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,468.60 : 254,154.30 = 51,111.40 : x
  2. Step 2: Convert to fraction form
    169,468.60/254,154.30 = 51,111.40/x
  3. Step 3: Cross multiply
    169,468.60x = 254,154.30 × 51,111.40
  4. Step 4: Simplify right side
    169,468.60x = 12,990,182,089.02
  5. Step 5: Solve for x
    x = 12,990,182,089.02/169,468.60
  6. Step 6: Final answer
    x = 76,652.44

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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.