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Finding the Fourth Proportional to 141,058.53, 211,538.59 and 62,129.70

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Solution

The fourth proportional to 141,058.53, 211,538.59 and 62,129.70 is: 93,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,058.53 : 211,538.59 = 62,129.70 : x
  2. Step 2: Convert to fraction form
    141,058.53/211,538.59 = 62,129.70/x
  3. Step 3: Cross multiply
    141,058.53x = 211,538.59 × 62,129.70
  4. Step 4: Simplify right side
    141,058.53x = 13,142,828,979.80
  5. Step 5: Solve for x
    x = 13,142,828,979.80/141,058.53
  6. Step 6: Final answer
    x = 93,172.88

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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.