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Finding the Fourth Proportional to 88,358.94, 121,970.88 and 60,081.84

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Solution

The fourth proportional to 88,358.94, 121,970.88 and 60,081.84 is: 82,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,358.94 : 121,970.88 = 60,081.84 : x
  2. Step 2: Convert to fraction form
    88,358.94/121,970.88 = 60,081.84/x
  3. Step 3: Cross multiply
    88,358.94x = 121,970.88 × 60,081.84
  4. Step 4: Simplify right side
    88,358.94x = 7,328,234,896.82
  5. Step 5: Solve for x
    x = 7,328,234,896.82/88,358.94
  6. Step 6: Final answer
    x = 82,937.11

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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.