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Finding the Fourth Proportional to 88,700.64, 122,405.88 and 48,414.10

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Solution

The fourth proportional to 88,700.64, 122,405.88 and 48,414.10 is: 66,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,700.64 : 122,405.88 = 48,414.10 : x
  2. Step 2: Convert to fraction form
    88,700.64/122,405.88 = 48,414.10/x
  3. Step 3: Cross multiply
    88,700.64x = 122,405.88 × 48,414.10
  4. Step 4: Simplify right side
    88,700.64x = 5,926,170,514.91
  5. Step 5: Solve for x
    x = 5,926,170,514.91/88,700.64
  6. Step 6: Final answer
    x = 66,810.91

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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.