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Finding the Fourth Proportional to 79,033.86, 109,066.50 and 43,223.76

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Solution

The fourth proportional to 79,033.86, 109,066.50 and 43,223.76 is: 59,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,033.86 : 109,066.50 = 43,223.76 : x
  2. Step 2: Convert to fraction form
    79,033.86/109,066.50 = 43,223.76/x
  3. Step 3: Cross multiply
    79,033.86x = 109,066.50 × 43,223.76
  4. Step 4: Simplify right side
    79,033.86x = 4,714,264,220.04
  5. Step 5: Solve for x
    x = 4,714,264,220.04/79,033.86
  6. Step 6: Final answer
    x = 59,648.66

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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.