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Finding the Fourth Proportional to 141,303.88, 211,962.84 and 36,123.76

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Solution

The fourth proportional to 141,303.88, 211,962.84 and 36,123.76 is: 54,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,303.88 : 211,962.84 = 36,123.76 : x
  2. Step 2: Convert to fraction form
    141,303.88/211,962.84 = 36,123.76/x
  3. Step 3: Cross multiply
    141,303.88x = 211,962.84 × 36,123.76
  4. Step 4: Simplify right side
    141,303.88x = 7,656,894,761.08
  5. Step 5: Solve for x
    x = 7,656,894,761.08/141,303.88
  6. Step 6: Final answer
    x = 54,187.43

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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.