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Finding the Fourth Proportional to 69,069.84, 95,332.08 and 48,905.52

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Solution

The fourth proportional to 69,069.84, 95,332.08 and 48,905.52 is: 67,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.84 : 95,332.08 = 48,905.52 : x
  2. Step 2: Convert to fraction form
    69,069.84/95,332.08 = 48,905.52/x
  3. Step 3: Cross multiply
    69,069.84x = 95,332.08 × 48,905.52
  4. Step 4: Simplify right side
    69,069.84x = 4,662,264,945.08
  5. Step 5: Solve for x
    x = 4,662,264,945.08/69,069.84
  6. Step 6: Final answer
    x = 67,500.73

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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.