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Finding the Fourth Proportional to 141,304.80, 211,892.40 and 62,378.40

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Solution

The fourth proportional to 141,304.80, 211,892.40 and 62,378.40 is: 93,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,304.80 : 211,892.40 = 62,378.40 : x
  2. Step 2: Convert to fraction form
    141,304.80/211,892.40 = 62,378.40/x
  3. Step 3: Cross multiply
    141,304.80x = 211,892.40 × 62,378.40
  4. Step 4: Simplify right side
    141,304.80x = 13,217,508,884.16
  5. Step 5: Solve for x
    x = 13,217,508,884.16/141,304.80
  6. Step 6: Final answer
    x = 93,538.99

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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.