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Finding the Fourth Proportional to 425,068.24, 637,764.36 and 158,947.60

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Solution

The fourth proportional to 425,068.24, 637,764.36 and 158,947.60 is: 238,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,068.24 : 637,764.36 = 158,947.60 : x
  2. Step 2: Convert to fraction form
    425,068.24/637,764.36 = 158,947.60/x
  3. Step 3: Cross multiply
    425,068.24x = 637,764.36 × 158,947.60
  4. Step 4: Simplify right side
    425,068.24x = 101,371,114,387.54
  5. Step 5: Solve for x
    x = 101,371,114,387.54/425,068.24
  6. Step 6: Final answer
    x = 238,481.98

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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.