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Finding the Fourth Proportional to 79,708.80, 110,010.24 and 60,557.16

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Solution

The fourth proportional to 79,708.80, 110,010.24 and 60,557.16 is: 83,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,708.80 : 110,010.24 = 60,557.16 : x
  2. Step 2: Convert to fraction form
    79,708.80/110,010.24 = 60,557.16/x
  3. Step 3: Cross multiply
    79,708.80x = 110,010.24 × 60,557.16
  4. Step 4: Simplify right side
    79,708.80x = 6,661,907,705.32
  5. Step 5: Solve for x
    x = 6,661,907,705.32/79,708.80
  6. Step 6: Final answer
    x = 83,578.07

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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.