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Finding the Fourth Proportional to 124,555.86, 186,719.04 and 49,658.13

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Solution

The fourth proportional to 124,555.86, 186,719.04 and 49,658.13 is: 74,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,555.86 : 186,719.04 = 49,658.13 : x
  2. Step 2: Convert to fraction form
    124,555.86/186,719.04 = 49,658.13/x
  3. Step 3: Cross multiply
    124,555.86x = 186,719.04 × 49,658.13
  4. Step 4: Simplify right side
    124,555.86x = 9,272,118,361.80
  5. Step 5: Solve for x
    x = 9,272,118,361.80/124,555.86
  6. Step 6: Final answer
    x = 74,441.45

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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.