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Finding the Fourth Proportional to 124,472.78, 186,542.41 and 116,501.16

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Solution

The fourth proportional to 124,472.78, 186,542.41 and 116,501.16 is: 174,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,472.78 : 186,542.41 = 116,501.16 : x
  2. Step 2: Convert to fraction form
    124,472.78/186,542.41 = 116,501.16/x
  3. Step 3: Cross multiply
    124,472.78x = 186,542.41 × 116,501.16
  4. Step 4: Simplify right side
    124,472.78x = 21,732,406,764.78
  5. Step 5: Solve for x
    x = 21,732,406,764.78/124,472.78
  6. Step 6: Final answer
    x = 174,595.66

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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.