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Finding the Fourth Proportional to 145,847.60, 218,641.80 and 95,951.60

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Solution

The fourth proportional to 145,847.60, 218,641.80 and 95,951.60 is: 143,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,847.60 : 218,641.80 = 95,951.60 : x
  2. Step 2: Convert to fraction form
    145,847.60/218,641.80 = 95,951.60/x
  3. Step 3: Cross multiply
    145,847.60x = 218,641.80 × 95,951.60
  4. Step 4: Simplify right side
    145,847.60x = 20,979,030,536.88
  5. Step 5: Solve for x
    x = 20,979,030,536.88/145,847.60
  6. Step 6: Final answer
    x = 143,842.14

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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.