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Finding the Fourth Proportional to 153,757.31, 230,156.01 and 113,276.57

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Solution

The fourth proportional to 153,757.31, 230,156.01 and 113,276.57 is: 169,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,757.31 : 230,156.01 = 113,276.57 : x
  2. Step 2: Convert to fraction form
    153,757.31/230,156.01 = 113,276.57/x
  3. Step 3: Cross multiply
    153,757.31x = 230,156.01 × 113,276.57
  4. Step 4: Simplify right side
    153,757.31x = 26,071,282,226.91
  5. Step 5: Solve for x
    x = 26,071,282,226.91/153,757.31
  6. Step 6: Final answer
    x = 169,561.26

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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.