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Finding the Fourth Proportional to 158,434.70, 237,652.05 and 147,937.10

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Solution

The fourth proportional to 158,434.70, 237,652.05 and 147,937.10 is: 221,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,434.70 : 237,652.05 = 147,937.10 : x
  2. Step 2: Convert to fraction form
    158,434.70/237,652.05 = 147,937.10/x
  3. Step 3: Cross multiply
    158,434.70x = 237,652.05 × 147,937.10
  4. Step 4: Simplify right side
    158,434.70x = 35,157,555,086.06
  5. Step 5: Solve for x
    x = 35,157,555,086.06/158,434.70
  6. Step 6: Final answer
    x = 221,905.65

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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.