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Finding the Fourth Proportional to 88,750.50, 122,476.69 and 48,464.74

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Solution

The fourth proportional to 88,750.50, 122,476.69 and 48,464.74 is: 66,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,750.50 : 122,476.69 = 48,464.74 : x
  2. Step 2: Convert to fraction form
    88,750.50/122,476.69 = 48,464.74/x
  3. Step 3: Cross multiply
    88,750.50x = 122,476.69 × 48,464.74
  4. Step 4: Simplify right side
    88,750.50x = 5,935,800,936.91
  5. Step 5: Solve for x
    x = 5,935,800,936.91/88,750.50
  6. Step 6: Final answer
    x = 66,881.89

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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.