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Finding the Fourth Proportional to 78,797.21, 108,726.54 and 44,337.14

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Solution

The fourth proportional to 78,797.21, 108,726.54 and 44,337.14 is: 61,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,797.21 : 108,726.54 = 44,337.14 : x
  2. Step 2: Convert to fraction form
    78,797.21/108,726.54 = 44,337.14/x
  3. Step 3: Cross multiply
    78,797.21x = 108,726.54 × 44,337.14
  4. Step 4: Simplify right side
    78,797.21x = 4,820,623,282.06
  5. Step 5: Solve for x
    x = 4,820,623,282.06/78,797.21
  6. Step 6: Final answer
    x = 61,177.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.