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Finding the Fourth Proportional to 153,408.60, 229,976.10 and 59,892.60

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Solution

The fourth proportional to 153,408.60, 229,976.10 and 59,892.60 is: 89,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,408.60 : 229,976.10 = 59,892.60 : x
  2. Step 2: Convert to fraction form
    153,408.60/229,976.10 = 59,892.60/x
  3. Step 3: Cross multiply
    153,408.60x = 229,976.10 × 59,892.60
  4. Step 4: Simplify right side
    153,408.60x = 13,773,866,566.86
  5. Step 5: Solve for x
    x = 13,773,866,566.86/153,408.60
  6. Step 6: Final answer
    x = 89,785.49

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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.