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Finding the Fourth Proportional to 134,752.30, 202,129.05 and 34,905.40

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Solution

The fourth proportional to 134,752.30, 202,129.05 and 34,905.40 is: 52,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,752.30 : 202,129.05 = 34,905.40 : x
  2. Step 2: Convert to fraction form
    134,752.30/202,129.05 = 34,905.40/x
  3. Step 3: Cross multiply
    134,752.30x = 202,129.05 × 34,905.40
  4. Step 4: Simplify right side
    134,752.30x = 7,055,395,341.87
  5. Step 5: Solve for x
    x = 7,055,395,341.87/134,752.30
  6. Step 6: Final answer
    x = 52,358.26

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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.