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Finding the Fourth Proportional to 95,613.60, 143,420.40 and 53,450.40

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Solution

The fourth proportional to 95,613.60, 143,420.40 and 53,450.40 is: 80,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,613.60 : 143,420.40 = 53,450.40 : x
  2. Step 2: Convert to fraction form
    95,613.60/143,420.40 = 53,450.40/x
  3. Step 3: Cross multiply
    95,613.60x = 143,420.40 × 53,450.40
  4. Step 4: Simplify right side
    95,613.60x = 7,665,877,748.16
  5. Step 5: Solve for x
    x = 7,665,877,748.16/95,613.60
  6. Step 6: Final answer
    x = 80,175.60

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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.