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Finding the Fourth Proportional to 107,713.71, 148,642.26 and 59,966.01

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Solution

The fourth proportional to 107,713.71, 148,642.26 and 59,966.01 is: 82,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,713.71 : 148,642.26 = 59,966.01 : x
  2. Step 2: Convert to fraction form
    107,713.71/148,642.26 = 59,966.01/x
  3. Step 3: Cross multiply
    107,713.71x = 148,642.26 × 59,966.01
  4. Step 4: Simplify right side
    107,713.71x = 8,913,483,249.58
  5. Step 5: Solve for x
    x = 8,913,483,249.58/107,713.71
  6. Step 6: Final answer
    x = 82,751.61

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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.