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Finding the Fourth Proportional to 88,706.52, 122,417.64 and 48,422.88

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Solution

The fourth proportional to 88,706.52, 122,417.64 and 48,422.88 is: 66,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706.52 : 122,417.64 = 48,422.88 : x
  2. Step 2: Convert to fraction form
    88,706.52/122,417.64 = 48,422.88/x
  3. Step 3: Cross multiply
    88,706.52x = 122,417.64 × 48,422.88
  4. Step 4: Simplify right side
    88,706.52x = 5,927,814,691.60
  5. Step 5: Solve for x
    x = 5,927,814,691.60/88,706.52
  6. Step 6: Final answer
    x = 66,825.02

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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.