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Finding the Fourth Proportional to 155,427.98, 232,753.16 and 124,323.98

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Solution

The fourth proportional to 155,427.98, 232,753.16 and 124,323.98 is: 186,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,427.98 : 232,753.16 = 124,323.98 : x
  2. Step 2: Convert to fraction form
    155,427.98/232,753.16 = 124,323.98/x
  3. Step 3: Cross multiply
    155,427.98x = 232,753.16 × 124,323.98
  4. Step 4: Simplify right side
    155,427.98x = 28,936,797,423.39
  5. Step 5: Solve for x
    x = 28,936,797,423.39/155,427.98
  6. Step 6: Final answer
    x = 186,174.96

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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.