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Finding the Fourth Proportional to 84,773.70, 127,160.55 and 25,603.20

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Solution

The fourth proportional to 84,773.70, 127,160.55 and 25,603.20 is: 38,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,773.70 : 127,160.55 = 25,603.20 : x
  2. Step 2: Convert to fraction form
    84,773.70/127,160.55 = 25,603.20/x
  3. Step 3: Cross multiply
    84,773.70x = 127,160.55 × 25,603.20
  4. Step 4: Simplify right side
    84,773.70x = 3,255,716,993.76
  5. Step 5: Solve for x
    x = 3,255,716,993.76/84,773.70
  6. Step 6: Final answer
    x = 38,404.80

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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.