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Finding the Fourth Proportional to 88,364.64, 121,941.84 and 48,077.46

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Solution

The fourth proportional to 88,364.64, 121,941.84 and 48,077.46 is: 66,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.64 : 121,941.84 = 48,077.46 : x
  2. Step 2: Convert to fraction form
    88,364.64/121,941.84 = 48,077.46/x
  3. Step 3: Cross multiply
    88,364.64x = 121,941.84 × 48,077.46
  4. Step 4: Simplify right side
    88,364.64x = 5,862,653,934.93
  5. Step 5: Solve for x
    x = 5,862,653,934.93/88,364.64
  6. Step 6: Final answer
    x = 66,346.15

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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.