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Finding the Fourth Proportional to 95,025.60, 142,473.60 and 45,129.60

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Solution

The fourth proportional to 95,025.60, 142,473.60 and 45,129.60 is: 67,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,025.60 : 142,473.60 = 45,129.60 : x
  2. Step 2: Convert to fraction form
    95,025.60/142,473.60 = 45,129.60/x
  3. Step 3: Cross multiply
    95,025.60x = 142,473.60 × 45,129.60
  4. Step 4: Simplify right side
    95,025.60x = 6,429,776,578.56
  5. Step 5: Solve for x
    x = 6,429,776,578.56/95,025.60
  6. Step 6: Final answer
    x = 67,663.63

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1.5x scale

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.