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Finding the Fourth Proportional to 124,865.76, 187,298.80 and 50,993.76

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Solution

The fourth proportional to 124,865.76, 187,298.80 and 50,993.76 is: 76,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,865.76 : 187,298.80 = 50,993.76 : x
  2. Step 2: Convert to fraction form
    124,865.76/187,298.80 = 50,993.76/x
  3. Step 3: Cross multiply
    124,865.76x = 187,298.80 × 50,993.76
  4. Step 4: Simplify right side
    124,865.76x = 9,551,070,055.49
  5. Step 5: Solve for x
    x = 9,551,070,055.49/124,865.76
  6. Step 6: Final answer
    x = 76,490.71

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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.