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Finding the Fourth Proportional to 79,560.28, 109,792.24 and 59,233.20

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Solution

The fourth proportional to 79,560.28, 109,792.24 and 59,233.20 is: 81,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,560.28 : 109,792.24 = 59,233.20 : x
  2. Step 2: Convert to fraction form
    79,560.28/109,792.24 = 59,233.20/x
  3. Step 3: Cross multiply
    79,560.28x = 109,792.24 × 59,233.20
  4. Step 4: Simplify right side
    79,560.28x = 6,503,345,710.37
  5. Step 5: Solve for x
    x = 6,503,345,710.37/79,560.28
  6. Step 6: Final answer
    x = 81,741.11

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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.