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Finding the Fourth Proportional to 158,882.70, 238,323.86 and 40,554.06

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Solution

The fourth proportional to 158,882.70, 238,323.86 and 40,554.06 is: 60,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,882.70 : 238,323.86 = 40,554.06 : x
  2. Step 2: Convert to fraction form
    158,882.70/238,323.86 = 40,554.06/x
  3. Step 3: Cross multiply
    158,882.70x = 238,323.86 × 40,554.06
  4. Step 4: Simplify right side
    158,882.70x = 9,665,000,117.87
  5. Step 5: Solve for x
    x = 9,665,000,117.87/158,882.70
  6. Step 6: Final answer
    x = 60,831.04

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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.