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Finding the Fourth Proportional to 123,188.70, 184,437.45 and 119,732.70

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Solution

The fourth proportional to 123,188.70, 184,437.45 and 119,732.70 is: 179,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,188.70 : 184,437.45 = 119,732.70 : x
  2. Step 2: Convert to fraction form
    123,188.70/184,437.45 = 119,732.70/x
  3. Step 3: Cross multiply
    123,188.70x = 184,437.45 × 119,732.70
  4. Step 4: Simplify right side
    123,188.70x = 22,083,193,869.62
  5. Step 5: Solve for x
    x = 22,083,193,869.62/123,188.70
  6. Step 6: Final answer
    x = 179,263.15

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1.5x scale

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.