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Finding the Fourth Proportional to 103,359.60, 154,891.80 and 58,892.40

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Solution

The fourth proportional to 103,359.60, 154,891.80 and 58,892.40 is: 88,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,359.60 : 154,891.80 = 58,892.40 : x
  2. Step 2: Convert to fraction form
    103,359.60/154,891.80 = 58,892.40/x
  3. Step 3: Cross multiply
    103,359.60x = 154,891.80 × 58,892.40
  4. Step 4: Simplify right side
    103,359.60x = 9,121,949,842.32
  5. Step 5: Solve for x
    x = 9,121,949,842.32/103,359.60
  6. Step 6: Final answer
    x = 88,254.50

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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.