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Finding the Fourth Proportional to 107,141.03, 147,844.66 and 59,390.31

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Solution

The fourth proportional to 107,141.03, 147,844.66 and 59,390.31 is: 81,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,141.03 : 147,844.66 = 59,390.31 : x
  2. Step 2: Convert to fraction form
    107,141.03/147,844.66 = 59,390.31/x
  3. Step 3: Cross multiply
    107,141.03x = 147,844.66 × 59,390.31
  4. Step 4: Simplify right side
    107,141.03x = 8,780,540,189.24
  5. Step 5: Solve for x
    x = 8,780,540,189.24/107,141.03
  6. Step 6: Final answer
    x = 81,953.11

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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.