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Finding the Fourth Proportional to 169,285.68, 233,622 and 93,829.32

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Solution

The fourth proportional to 169,285.68, 233,622 and 93,829.32 is: 129,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,285.68 : 233,622 = 93,829.32 : x
  2. Step 2: Convert to fraction form
    169,285.68/233,622 = 93,829.32/x
  3. Step 3: Cross multiply
    169,285.68x = 233,622 × 93,829.32
  4. Step 4: Simplify right side
    169,285.68x = 21,920,593,397.04
  5. Step 5: Solve for x
    x = 21,920,593,397.04/169,285.68
  6. Step 6: Final answer
    x = 129,488.76

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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.