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Finding the Fourth Proportional to 124,398.47, 186,669.98 and 52,346.10

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Solution

The fourth proportional to 124,398.47, 186,669.98 and 52,346.10 is: 78,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,398.47 : 186,669.98 = 52,346.10 : x
  2. Step 2: Convert to fraction form
    124,398.47/186,669.98 = 52,346.10/x
  3. Step 3: Cross multiply
    124,398.47x = 186,669.98 × 52,346.10
  4. Step 4: Simplify right side
    124,398.47x = 9,771,444,711.67
  5. Step 5: Solve for x
    x = 9,771,444,711.67/124,398.47
  6. Step 6: Final answer
    x = 78,549.56

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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.