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Finding the Fourth Proportional to 79,223.06, 109,327.84 and 45,689.06

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Solution

The fourth proportional to 79,223.06, 109,327.84 and 45,689.06 is: 63,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,223.06 : 109,327.84 = 45,689.06 : x
  2. Step 2: Convert to fraction form
    79,223.06/109,327.84 = 45,689.06/x
  3. Step 3: Cross multiply
    79,223.06x = 109,327.84 × 45,689.06
  4. Step 4: Simplify right side
    79,223.06x = 4,995,086,400.53
  5. Step 5: Solve for x
    x = 4,995,086,400.53/79,223.06
  6. Step 6: Final answer
    x = 63,050.91

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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.