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Finding the Fourth Proportional to 124,572.92, 186,870.18 and 35,833.64

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Solution

The fourth proportional to 124,572.92, 186,870.18 and 35,833.64 is: 53,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,572.92 : 186,870.18 = 35,833.64 : x
  2. Step 2: Convert to fraction form
    124,572.92/186,870.18 = 35,833.64/x
  3. Step 3: Cross multiply
    124,572.92x = 186,870.18 × 35,833.64
  4. Step 4: Simplify right side
    124,572.92x = 6,696,238,756.86
  5. Step 5: Solve for x
    x = 6,696,238,756.86/124,572.92
  6. Step 6: Final answer
    x = 53,753.57

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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.