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Finding the Fourth Proportional to 139,968.60, 209,952.90 and 95,062.20

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Solution

The fourth proportional to 139,968.60, 209,952.90 and 95,062.20 is: 142,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968.60 : 209,952.90 = 95,062.20 : x
  2. Step 2: Convert to fraction form
    139,968.60/209,952.90 = 95,062.20/x
  3. Step 3: Cross multiply
    139,968.60x = 209,952.90 × 95,062.20
  4. Step 4: Simplify right side
    139,968.60x = 19,958,584,570.38
  5. Step 5: Solve for x
    x = 19,958,584,570.38/139,968.60
  6. Step 6: Final answer
    x = 142,593.30

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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.