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Finding the Fourth Proportional to 75,148.76, 112,724.96 and 25,230.49

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Solution

The fourth proportional to 75,148.76, 112,724.96 and 25,230.49 is: 37,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,148.76 : 112,724.96 = 25,230.49 : x
  2. Step 2: Convert to fraction form
    75,148.76/112,724.96 = 25,230.49/x
  3. Step 3: Cross multiply
    75,148.76x = 112,724.96 × 25,230.49
  4. Step 4: Simplify right side
    75,148.76x = 2,844,105,475.48
  5. Step 5: Solve for x
    x = 2,844,105,475.48/75,148.76
  6. Step 6: Final answer
    x = 37,846.34

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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.