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Finding the Fourth Proportional to 95,692.32, 143,613.72 and 66,316.68

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Solution

The fourth proportional to 95,692.32, 143,613.72 and 66,316.68 is: 99,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,692.32 : 143,613.72 = 66,316.68 : x
  2. Step 2: Convert to fraction form
    95,692.32/143,613.72 = 66,316.68/x
  3. Step 3: Cross multiply
    95,692.32x = 143,613.72 × 66,316.68
  4. Step 4: Simplify right side
    95,692.32x = 9,523,985,112.85
  5. Step 5: Solve for x
    x = 9,523,985,112.85/95,692.32
  6. Step 6: Final answer
    x = 99,527.16

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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.