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Finding the Fourth Proportional to 95,471.85, 142,989.64 and 45,586.88

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Solution

The fourth proportional to 95,471.85, 142,989.64 and 45,586.88 is: 68,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,471.85 : 142,989.64 = 45,586.88 : x
  2. Step 2: Convert to fraction form
    95,471.85/142,989.64 = 45,586.88/x
  3. Step 3: Cross multiply
    95,471.85x = 142,989.64 × 45,586.88
  4. Step 4: Simplify right side
    95,471.85x = 6,518,452,071.54
  5. Step 5: Solve for x
    x = 6,518,452,071.54/95,471.85
  6. Step 6: Final answer
    x = 68,276.17

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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.