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Finding the Fourth Proportional to 110,686.80, 152,751.93 and 67,661.22

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Solution

The fourth proportional to 110,686.80, 152,751.93 and 67,661.22 is: 93,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,686.80 : 152,751.93 = 67,661.22 : x
  2. Step 2: Convert to fraction form
    110,686.80/152,751.93 = 67,661.22/x
  3. Step 3: Cross multiply
    110,686.80x = 152,751.93 × 67,661.22
  4. Step 4: Simplify right side
    110,686.80x = 10,335,382,260.24
  5. Step 5: Solve for x
    x = 10,335,382,260.24/110,686.80
  6. Step 6: Final answer
    x = 93,375.02

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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.