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Finding the Fourth Proportional to 158,121.30, 237,311.55 and 152,937.30

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Solution

The fourth proportional to 158,121.30, 237,311.55 and 152,937.30 is: 229,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,121.30 : 237,311.55 = 152,937.30 : x
  2. Step 2: Convert to fraction form
    158,121.30/237,311.55 = 152,937.30/x
  3. Step 3: Cross multiply
    158,121.30x = 237,311.55 × 152,937.30
  4. Step 4: Simplify right side
    158,121.30x = 36,293,787,715.82
  5. Step 5: Solve for x
    x = 36,293,787,715.82/158,121.30
  6. Step 6: Final answer
    x = 229,531.30

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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.