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Finding the Fourth Proportional to 158,502.40, 237,764.40 and 50,423.20

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Solution

The fourth proportional to 158,502.40, 237,764.40 and 50,423.20 is: 75,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,502.40 : 237,764.40 = 50,423.20 : x
  2. Step 2: Convert to fraction form
    158,502.40/237,764.40 = 50,423.20/x
  3. Step 3: Cross multiply
    158,502.40x = 237,764.40 × 50,423.20
  4. Step 4: Simplify right side
    158,502.40x = 11,988,841,894.08
  5. Step 5: Solve for x
    x = 11,988,841,894.08/158,502.40
  6. Step 6: Final answer
    x = 75,638.24

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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.