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Finding the Fourth Proportional to 147,026.80, 220,540.20 and 134,585.20

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Solution

The fourth proportional to 147,026.80, 220,540.20 and 134,585.20 is: 201,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,026.80 : 220,540.20 = 134,585.20 : x
  2. Step 2: Convert to fraction form
    147,026.80/220,540.20 = 134,585.20/x
  3. Step 3: Cross multiply
    147,026.80x = 220,540.20 × 134,585.20
  4. Step 4: Simplify right side
    147,026.80x = 29,681,446,925.04
  5. Step 5: Solve for x
    x = 29,681,446,925.04/147,026.80
  6. Step 6: Final answer
    x = 201,877.80

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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.