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Finding the Fourth Proportional to 105,573.77, 145,694.17 and 60,250.85

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Solution

The fourth proportional to 105,573.77, 145,694.17 and 60,250.85 is: 83,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,573.77 : 145,694.17 = 60,250.85 : x
  2. Step 2: Convert to fraction form
    105,573.77/145,694.17 = 60,250.85/x
  3. Step 3: Cross multiply
    105,573.77x = 145,694.17 × 60,250.85
  4. Step 4: Simplify right side
    105,573.77x = 8,778,197,582.54
  5. Step 5: Solve for x
    x = 8,778,197,582.54/105,573.77
  6. Step 6: Final answer
    x = 83,147.52

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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.