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Finding the Fourth Proportional to 88,988.81, 122,801.82 and 48,701.71

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Solution

The fourth proportional to 88,988.81, 122,801.82 and 48,701.71 is: 67,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,988.81 : 122,801.82 = 48,701.71 : x
  2. Step 2: Convert to fraction form
    88,988.81/122,801.82 = 48,701.71/x
  3. Step 3: Cross multiply
    88,988.81x = 122,801.82 × 48,701.71
  4. Step 4: Simplify right side
    88,988.81x = 5,980,658,011.10
  5. Step 5: Solve for x
    x = 5,980,658,011.10/88,988.81
  6. Step 6: Final answer
    x = 67,206.85

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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.