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Finding the Fourth Proportional to 142,704.40, 213,862.20 and 95,184.40

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Solution

The fourth proportional to 142,704.40, 213,862.20 and 95,184.40 is: 142,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,704.40 : 213,862.20 = 95,184.40 : x
  2. Step 2: Convert to fraction form
    142,704.40/213,862.20 = 95,184.40/x
  3. Step 3: Cross multiply
    142,704.40x = 213,862.20 × 95,184.40
  4. Step 4: Simplify right side
    142,704.40x = 20,356,345,189.68
  5. Step 5: Solve for x
    x = 20,356,345,189.68/142,704.40
  6. Step 6: Final answer
    x = 142,646.93

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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.