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Finding the Fourth Proportional to 144,000.96, 215,884.80 and 65,074.56

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Solution

The fourth proportional to 144,000.96, 215,884.80 and 65,074.56 is: 97,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,000.96 : 215,884.80 = 65,074.56 : x
  2. Step 2: Convert to fraction form
    144,000.96/215,884.80 = 65,074.56/x
  3. Step 3: Cross multiply
    144,000.96x = 215,884.80 × 65,074.56
  4. Step 4: Simplify right side
    144,000.96x = 14,048,608,370.69
  5. Step 5: Solve for x
    x = 14,048,608,370.69/144,000.96
  6. Step 6: Final answer
    x = 97,559.13

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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.