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Finding the Fourth Proportional to 121,552.56, 167,750.96 and 67,848.08

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Solution

The fourth proportional to 121,552.56, 167,750.96 and 67,848.08 is: 93,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,552.56 : 167,750.96 = 67,848.08 : x
  2. Step 2: Convert to fraction form
    121,552.56/167,750.96 = 67,848.08/x
  3. Step 3: Cross multiply
    121,552.56x = 167,750.96 × 67,848.08
  4. Step 4: Simplify right side
    121,552.56x = 11,381,580,554.16
  5. Step 5: Solve for x
    x = 11,381,580,554.16/121,552.56
  6. Step 6: Final answer
    x = 93,635.05

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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.