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Finding the Fourth Proportional to 141,321.60, 211,982.40 and 62,395.20

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Solution

The fourth proportional to 141,321.60, 211,982.40 and 62,395.20 is: 93,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,321.60 : 211,982.40 = 62,395.20 : x
  2. Step 2: Convert to fraction form
    141,321.60/211,982.40 = 62,395.20/x
  3. Step 3: Cross multiply
    141,321.60x = 211,982.40 × 62,395.20
  4. Step 4: Simplify right side
    141,321.60x = 13,226,684,244.48
  5. Step 5: Solve for x
    x = 13,226,684,244.48/141,321.60
  6. Step 6: Final answer
    x = 93,592.80

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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.