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Finding the Fourth Proportional to 169,650.80, 254,476.20 and 156,820.40

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Solution

The fourth proportional to 169,650.80, 254,476.20 and 156,820.40 is: 235,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,650.80 : 254,476.20 = 156,820.40 : x
  2. Step 2: Convert to fraction form
    169,650.80/254,476.20 = 156,820.40/x
  3. Step 3: Cross multiply
    169,650.80x = 254,476.20 × 156,820.40
  4. Step 4: Simplify right side
    169,650.80x = 39,907,059,474.48
  5. Step 5: Solve for x
    x = 39,907,059,474.48/169,650.80
  6. Step 6: Final answer
    x = 235,230.60

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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.