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Finding the Fourth Proportional to 84,774.47, 127,203.03 and 34,869.56

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Solution

The fourth proportional to 84,774.47, 127,203.03 and 34,869.56 is: 52,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,774.47 : 127,203.03 = 34,869.56 : x
  2. Step 2: Convert to fraction form
    84,774.47/127,203.03 = 34,869.56/x
  3. Step 3: Cross multiply
    84,774.47x = 127,203.03 × 34,869.56
  4. Step 4: Simplify right side
    84,774.47x = 4,435,513,050.75
  5. Step 5: Solve for x
    x = 4,435,513,050.75/84,774.47
  6. Step 6: Final answer
    x = 52,321.33

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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.