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Finding the Fourth Proportional to 88,296.30, 121,847.17 and 48,009.71

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Solution

The fourth proportional to 88,296.30, 121,847.17 and 48,009.71 is: 66,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,296.30 : 121,847.17 = 48,009.71 : x
  2. Step 2: Convert to fraction form
    88,296.30/121,847.17 = 48,009.71/x
  3. Step 3: Cross multiply
    88,296.30x = 121,847.17 × 48,009.71
  4. Step 4: Simplify right side
    88,296.30x = 5,849,847,203.72
  5. Step 5: Solve for x
    x = 5,849,847,203.72/88,296.30
  6. Step 6: Final answer
    x = 66,252.46

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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.