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Finding the Fourth Proportional to 199,417.60, 299,272.20 and 132,835.60

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Solution

The fourth proportional to 199,417.60, 299,272.20 and 132,835.60 is: 199,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,417.60 : 299,272.20 = 132,835.60 : x
  2. Step 2: Convert to fraction form
    199,417.60/299,272.20 = 132,835.60/x
  3. Step 3: Cross multiply
    199,417.60x = 299,272.20 × 132,835.60
  4. Step 4: Simplify right side
    199,417.60x = 39,754,002,250.32
  5. Step 5: Solve for x
    x = 39,754,002,250.32/199,417.60
  6. Step 6: Final answer
    x = 199,350.52

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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.