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Finding the Fourth Proportional to 142,495.44, 213,627.96 and 59,451.60

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Solution

The fourth proportional to 142,495.44, 213,627.96 and 59,451.60 is: 89,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,495.44 : 213,627.96 = 59,451.60 : x
  2. Step 2: Convert to fraction form
    142,495.44/213,627.96 = 59,451.60/x
  3. Step 3: Cross multiply
    142,495.44x = 213,627.96 × 59,451.60
  4. Step 4: Simplify right side
    142,495.44x = 12,700,524,026.74
  5. Step 5: Solve for x
    x = 12,700,524,026.74/142,495.44
  6. Step 6: Final answer
    x = 89,129.34

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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.