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Finding the Fourth Proportional to 125,173.49, 187,758.41 and 30,404.41

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Solution

The fourth proportional to 125,173.49, 187,758.41 and 30,404.41 is: 45,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,173.49 : 187,758.41 = 30,404.41 : x
  2. Step 2: Convert to fraction form
    125,173.49/187,758.41 = 30,404.41/x
  3. Step 3: Cross multiply
    125,173.49x = 187,758.41 × 30,404.41
  4. Step 4: Simplify right side
    125,173.49x = 5,708,683,057.17
  5. Step 5: Solve for x
    x = 5,708,683,057.17/125,173.49
  6. Step 6: Final answer
    x = 45,606.17

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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.