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Finding the Fourth Proportional to 169,149.72, 233,434.32 and 93,698.28

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Solution

The fourth proportional to 169,149.72, 233,434.32 and 93,698.28 is: 129,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,149.72 : 233,434.32 = 93,698.28 : x
  2. Step 2: Convert to fraction form
    169,149.72/233,434.32 = 93,698.28/x
  3. Step 3: Cross multiply
    169,149.72x = 233,434.32 × 93,698.28
  4. Step 4: Simplify right side
    169,149.72x = 21,872,394,276.97
  5. Step 5: Solve for x
    x = 21,872,394,276.97/169,149.72
  6. Step 6: Final answer
    x = 129,307.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.