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Finding the Fourth Proportional to 107,334.16, 161,001.80 and 62,929.78

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Solution

The fourth proportional to 107,334.16, 161,001.80 and 62,929.78 is: 94,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,334.16 : 161,001.80 = 62,929.78 : x
  2. Step 2: Convert to fraction form
    107,334.16/161,001.80 = 62,929.78/x
  3. Step 3: Cross multiply
    107,334.16x = 161,001.80 × 62,929.78
  4. Step 4: Simplify right side
    107,334.16x = 10,131,807,054.95
  5. Step 5: Solve for x
    x = 10,131,807,054.95/107,334.16
  6. Step 6: Final answer
    x = 94,394.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.