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Finding the Fourth Proportional to 169,281.78, 233,599.86 and 97,657.53

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Solution

The fourth proportional to 169,281.78, 233,599.86 and 97,657.53 is: 134,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,281.78 : 233,599.86 = 97,657.53 : x
  2. Step 2: Convert to fraction form
    169,281.78/233,599.86 = 97,657.53/x
  3. Step 3: Cross multiply
    169,281.78x = 233,599.86 × 97,657.53
  4. Step 4: Simplify right side
    169,281.78x = 22,812,785,335.95
  5. Step 5: Solve for x
    x = 22,812,785,335.95/169,281.78
  6. Step 6: Final answer
    x = 134,762.20

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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.