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Finding the Fourth Proportional to 91,166.95, 136,799.52 and 44,419.84

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Solution

The fourth proportional to 91,166.95, 136,799.52 and 44,419.84 is: 66,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,166.95 : 136,799.52 = 44,419.84 : x
  2. Step 2: Convert to fraction form
    91,166.95/136,799.52 = 44,419.84/x
  3. Step 3: Cross multiply
    91,166.95x = 136,799.52 × 44,419.84
  4. Step 4: Simplify right side
    91,166.95x = 6,076,612,790.48
  5. Step 5: Solve for x
    x = 6,076,612,790.48/91,166.95
  6. Step 6: Final answer
    x = 66,653.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.