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Finding the Fourth Proportional to 158,752.57, 237,808.96 and 105,474.55

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Solution

The fourth proportional to 158,752.57, 237,808.96 and 105,474.55 is: 157,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,752.57 : 237,808.96 = 105,474.55 : x
  2. Step 2: Convert to fraction form
    158,752.57/237,808.96 = 105,474.55/x
  3. Step 3: Cross multiply
    158,752.57x = 237,808.96 × 105,474.55
  4. Step 4: Simplify right side
    158,752.57x = 25,082,793,041.97
  5. Step 5: Solve for x
    x = 25,082,793,041.97/158,752.57
  6. Step 6: Final answer
    x = 157,999.29

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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.