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Finding the Fourth Proportional to 141,472.68, 212,209.14 and 36,291.66

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Solution

The fourth proportional to 141,472.68, 212,209.14 and 36,291.66 is: 54,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,472.68 : 212,209.14 = 36,291.66 : x
  2. Step 2: Convert to fraction form
    141,472.68/212,209.14 = 36,291.66/x
  3. Step 3: Cross multiply
    141,472.68x = 212,209.14 × 36,291.66
  4. Step 4: Simplify right side
    141,472.68x = 7,701,421,957.77
  5. Step 5: Solve for x
    x = 7,701,421,957.77/141,472.68
  6. Step 6: Final answer
    x = 54,437.52

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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.