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Finding the Fourth Proportional to 169,306.62, 233,641.50 and 92,829.96

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Solution

The fourth proportional to 169,306.62, 233,641.50 and 92,829.96 is: 128,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,306.62 : 233,641.50 = 92,829.96 : x
  2. Step 2: Convert to fraction form
    169,306.62/233,641.50 = 92,829.96/x
  3. Step 3: Cross multiply
    169,306.62x = 233,641.50 × 92,829.96
  4. Step 4: Simplify right side
    169,306.62x = 21,688,931,099.34
  5. Step 5: Solve for x
    x = 21,688,931,099.34/169,306.62
  6. Step 6: Final answer
    x = 128,104.45

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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.