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Finding the Fourth Proportional to 141,758.52, 212,641.92 and 36,577.50

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Solution

The fourth proportional to 141,758.52, 212,641.92 and 36,577.50 is: 54,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,758.52 : 212,641.92 = 36,577.50 : x
  2. Step 2: Convert to fraction form
    141,758.52/212,641.92 = 36,577.50/x
  3. Step 3: Cross multiply
    141,758.52x = 212,641.92 × 36,577.50
  4. Step 4: Simplify right side
    141,758.52x = 7,777,909,828.80
  5. Step 5: Solve for x
    x = 7,777,909,828.80/141,758.52
  6. Step 6: Final answer
    x = 54,867.32

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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.