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Finding the Fourth Proportional to 158,443.80, 237,701.70 and 53,273.40

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Solution

The fourth proportional to 158,443.80, 237,701.70 and 53,273.40 is: 79,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,443.80 : 237,701.70 = 53,273.40 : x
  2. Step 2: Convert to fraction form
    158,443.80/237,701.70 = 53,273.40/x
  3. Step 3: Cross multiply
    158,443.80x = 237,701.70 × 53,273.40
  4. Step 4: Simplify right side
    158,443.80x = 12,663,177,744.78
  5. Step 5: Solve for x
    x = 12,663,177,744.78/158,443.80
  6. Step 6: Final answer
    x = 79,922.20

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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.