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Finding the Fourth Proportional to 134,820.40, 202,214.40 and 55,926.40

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Solution

The fourth proportional to 134,820.40, 202,214.40 and 55,926.40 is: 83,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,820.40 : 202,214.40 = 55,926.40 : x
  2. Step 2: Convert to fraction form
    134,820.40/202,214.40 = 55,926.40/x
  3. Step 3: Cross multiply
    134,820.40x = 202,214.40 × 55,926.40
  4. Step 4: Simplify right side
    134,820.40x = 11,309,123,420.16
  5. Step 5: Solve for x
    x = 11,309,123,420.16/134,820.40
  6. Step 6: Final answer
    x = 83,882.88

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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.