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Finding the Fourth Proportional to 124,955.56, 187,318.35 and 67,946.18

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Solution

The fourth proportional to 124,955.56, 187,318.35 and 67,946.18 is: 101,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,955.56 : 187,318.35 = 67,946.18 : x
  2. Step 2: Convert to fraction form
    124,955.56/187,318.35 = 67,946.18/x
  3. Step 3: Cross multiply
    124,955.56x = 187,318.35 × 67,946.18
  4. Step 4: Simplify right side
    124,955.56x = 12,727,565,389.81
  5. Step 5: Solve for x
    x = 12,727,565,389.81/124,955.56
  6. Step 6: Final answer
    x = 101,856.73

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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.