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Finding the Fourth Proportional to 60,206.76, 90,310.14 and 25,127.28

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Solution

The fourth proportional to 60,206.76, 90,310.14 and 25,127.28 is: 37,690.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,206.76 : 90,310.14 = 25,127.28 : x
  2. Step 2: Convert to fraction form
    60,206.76/90,310.14 = 25,127.28/x
  3. Step 3: Cross multiply
    60,206.76x = 90,310.14 × 25,127.28
  4. Step 4: Simplify right side
    60,206.76x = 2,269,248,174.62
  5. Step 5: Solve for x
    x = 2,269,248,174.62/60,206.76
  6. Step 6: Final answer
    x = 37,690.92

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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.