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Finding the Fourth Proportional to 169,681.90, 234,162.96 and 93,202.81

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Solution

The fourth proportional to 169,681.90, 234,162.96 and 93,202.81 is: 128,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,681.90 : 234,162.96 = 93,202.81 : x
  2. Step 2: Convert to fraction form
    169,681.90/234,162.96 = 93,202.81/x
  3. Step 3: Cross multiply
    169,681.90x = 234,162.96 × 93,202.81
  4. Step 4: Simplify right side
    169,681.90x = 21,824,645,869.92
  5. Step 5: Solve for x
    x = 21,824,645,869.92/169,681.90
  6. Step 6: Final answer
    x = 128,620.94

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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.