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Finding the Fourth Proportional to 113,594.96, 170,468.28 and 39,722.96

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Solution

The fourth proportional to 113,594.96, 170,468.28 and 39,722.96 is: 59,610.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,594.96 : 170,468.28 = 39,722.96 : x
  2. Step 2: Convert to fraction form
    113,594.96/170,468.28 = 39,722.96/x
  3. Step 3: Cross multiply
    113,594.96x = 170,468.28 × 39,722.96
  4. Step 4: Simplify right side
    113,594.96x = 6,771,504,667.71
  5. Step 5: Solve for x
    x = 6,771,504,667.71/113,594.96
  6. Step 6: Final answer
    x = 59,610.96

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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.