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Finding the Fourth Proportional to 107,805.99, 148,826.52 and 83,552.97

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Solution

The fourth proportional to 107,805.99, 148,826.52 and 83,552.97 is: 115,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,805.99 : 148,826.52 = 83,552.97 : x
  2. Step 2: Convert to fraction form
    107,805.99/148,826.52 = 83,552.97/x
  3. Step 3: Cross multiply
    107,805.99x = 148,826.52 × 83,552.97
  4. Step 4: Simplify right side
    107,805.99x = 12,434,897,760.76
  5. Step 5: Solve for x
    x = 12,434,897,760.76/107,805.99
  6. Step 6: Final answer
    x = 115,345.15

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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.