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Finding the Fourth Proportional to 134,752.80, 202,129.80 and 34,905.90

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Solution

The fourth proportional to 134,752.80, 202,129.80 and 34,905.90 is: 52,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,752.80 : 202,129.80 = 34,905.90 : x
  2. Step 2: Convert to fraction form
    134,752.80/202,129.80 = 34,905.90/x
  3. Step 3: Cross multiply
    134,752.80x = 202,129.80 × 34,905.90
  4. Step 4: Simplify right side
    134,752.80x = 7,055,522,585.82
  5. Step 5: Solve for x
    x = 7,055,522,585.82/134,752.80
  6. Step 6: Final answer
    x = 52,359.01

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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.