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Finding the Fourth Proportional to 158,429.80, 237,207.30 and 123,437.80

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Solution

The fourth proportional to 158,429.80, 237,207.30 and 123,437.80 is: 184,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,429.80 : 237,207.30 = 123,437.80 : x
  2. Step 2: Convert to fraction form
    158,429.80/237,207.30 = 123,437.80/x
  3. Step 3: Cross multiply
    158,429.80x = 237,207.30 × 123,437.80
  4. Step 4: Simplify right side
    158,429.80x = 29,280,347,255.94
  5. Step 5: Solve for x
    x = 29,280,347,255.94/158,429.80
  6. Step 6: Final answer
    x = 184,815.91

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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.