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Finding the Fourth Proportional to 169,424.61, 233,806.10 and 93,973.11

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Solution

The fourth proportional to 169,424.61, 233,806.10 and 93,973.11 is: 129,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,424.61 : 233,806.10 = 93,973.11 : x
  2. Step 2: Convert to fraction form
    169,424.61/233,806.10 = 93,973.11/x
  3. Step 3: Cross multiply
    169,424.61x = 233,806.10 × 93,973.11
  4. Step 4: Simplify right side
    169,424.61x = 21,971,486,353.97
  5. Step 5: Solve for x
    x = 21,971,486,353.97/169,424.61
  6. Step 6: Final answer
    x = 129,682.97

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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.