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Finding the Fourth Proportional to 101,476.80, 152,221.86 and 26,598.78

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Solution

The fourth proportional to 101,476.80, 152,221.86 and 26,598.78 is: 39,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.80 : 152,221.86 = 26,598.78 : x
  2. Step 2: Convert to fraction form
    101,476.80/152,221.86 = 26,598.78/x
  3. Step 3: Cross multiply
    101,476.80x = 152,221.86 × 26,598.78
  4. Step 4: Simplify right side
    101,476.80x = 4,048,915,765.33
  5. Step 5: Solve for x
    x = 4,048,915,765.33/101,476.80
  6. Step 6: Final answer
    x = 39,899.92

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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.