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Finding the Fourth Proportional to 107,394.72, 161,030.34 and 44,258.42

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Solution

The fourth proportional to 107,394.72, 161,030.34 and 44,258.42 is: 66,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,394.72 : 161,030.34 = 44,258.42 : x
  2. Step 2: Convert to fraction form
    107,394.72/161,030.34 = 44,258.42/x
  3. Step 3: Cross multiply
    107,394.72x = 161,030.34 × 44,258.42
  4. Step 4: Simplify right side
    107,394.72x = 7,126,948,420.46
  5. Step 5: Solve for x
    x = 7,126,948,420.46/107,394.72
  6. Step 6: Final answer
    x = 66,362.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.