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Finding the Fourth Proportional to 113,881.46, 170,926.47 and 57,760.34

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Solution

The fourth proportional to 113,881.46, 170,926.47 and 57,760.34 is: 86,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,881.46 : 170,926.47 = 57,760.34 : x
  2. Step 2: Convert to fraction form
    113,881.46/170,926.47 = 57,760.34/x
  3. Step 3: Cross multiply
    113,881.46x = 170,926.47 × 57,760.34
  4. Step 4: Simplify right side
    113,881.46x = 9,872,770,167.57
  5. Step 5: Solve for x
    x = 9,872,770,167.57/113,881.46
  6. Step 6: Final answer
    x = 86,693.40

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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.