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Finding the Fourth Proportional to 107,187.30, 147,918.87 and 59,445.06

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Solution

The fourth proportional to 107,187.30, 147,918.87 and 59,445.06 is: 82,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,187.30 : 147,918.87 = 59,445.06 : x
  2. Step 2: Convert to fraction form
    107,187.30/147,918.87 = 59,445.06/x
  3. Step 3: Cross multiply
    107,187.30x = 147,918.87 × 59,445.06
  4. Step 4: Simplify right side
    107,187.30x = 8,793,046,102.28
  5. Step 5: Solve for x
    x = 8,793,046,102.28/107,187.30
  6. Step 6: Final answer
    x = 82,034.40

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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.