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Finding the Fourth Proportional to 86,423.60, 129,635.40 and 24,094.10

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Solution

The fourth proportional to 86,423.60, 129,635.40 and 24,094.10 is: 36,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,423.60 : 129,635.40 = 24,094.10 : x
  2. Step 2: Convert to fraction form
    86,423.60/129,635.40 = 24,094.10/x
  3. Step 3: Cross multiply
    86,423.60x = 129,635.40 × 24,094.10
  4. Step 4: Simplify right side
    86,423.60x = 3,123,448,291.14
  5. Step 5: Solve for x
    x = 3,123,448,291.14/86,423.60
  6. Step 6: Final answer
    x = 36,141.15

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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.