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Finding the Fourth Proportional to 124,697.81, 187,086.58 and 44,681.76

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Solution

The fourth proportional to 124,697.81, 187,086.58 and 44,681.76 is: 67,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,697.81 : 187,086.58 = 44,681.76 : x
  2. Step 2: Convert to fraction form
    124,697.81/187,086.58 = 44,681.76/x
  3. Step 3: Cross multiply
    124,697.81x = 187,086.58 × 44,681.76
  4. Step 4: Simplify right side
    124,697.81x = 8,359,357,555.08
  5. Step 5: Solve for x
    x = 8,359,357,555.08/124,697.81
  6. Step 6: Final answer
    x = 67,036.92

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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.