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Finding the Fourth Proportional to 115,010.74, 158,731.77 and 69,073.48

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Solution

The fourth proportional to 115,010.74, 158,731.77 and 69,073.48 is: 95,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,010.74 : 158,731.77 = 69,073.48 : x
  2. Step 2: Convert to fraction form
    115,010.74/158,731.77 = 69,073.48/x
  3. Step 3: Cross multiply
    115,010.74x = 158,731.77 × 69,073.48
  4. Step 4: Simplify right side
    115,010.74x = 10,964,155,740.46
  5. Step 5: Solve for x
    x = 10,964,155,740.46/115,010.74
  6. Step 6: Final answer
    x = 95,331.58

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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.