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Finding the Fourth Proportional to 65,191.60, 97,641.60 and 53,527.60

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Solution

The fourth proportional to 65,191.60, 97,641.60 and 53,527.60 is: 80,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,191.60 : 97,641.60 = 53,527.60 : x
  2. Step 2: Convert to fraction form
    65,191.60/97,641.60 = 53,527.60/x
  3. Step 3: Cross multiply
    65,191.60x = 97,641.60 × 53,527.60
  4. Step 4: Simplify right side
    65,191.60x = 5,226,520,508.16
  5. Step 5: Solve for x
    x = 5,226,520,508.16/65,191.60
  6. Step 6: Final answer
    x = 80,171.69

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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.