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Finding the Fourth Proportional to 124,402.32, 186,680.88 and 50,530.32

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Solution

The fourth proportional to 124,402.32, 186,680.88 and 50,530.32 is: 75,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,402.32 : 186,680.88 = 50,530.32 : x
  2. Step 2: Convert to fraction form
    124,402.32/186,680.88 = 50,530.32/x
  3. Step 3: Cross multiply
    124,402.32x = 186,680.88 × 50,530.32
  4. Step 4: Simplify right side
    124,402.32x = 9,433,044,604.28
  5. Step 5: Solve for x
    x = 9,433,044,604.28/124,402.32
  6. Step 6: Final answer
    x = 75,826.92

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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.