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Finding the Fourth Proportional to 107,011.67, 147,676.59 and 59,264.01

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Solution

The fourth proportional to 107,011.67, 147,676.59 and 59,264.01 is: 81,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,011.67 : 147,676.59 = 59,264.01 : x
  2. Step 2: Convert to fraction form
    107,011.67/147,676.59 = 59,264.01/x
  3. Step 3: Cross multiply
    107,011.67x = 147,676.59 × 59,264.01
  4. Step 4: Simplify right side
    107,011.67x = 8,751,906,906.53
  5. Step 5: Solve for x
    x = 8,751,906,906.53/107,011.67
  6. Step 6: Final answer
    x = 81,784.61

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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.