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Finding the Fourth Proportional to 91,585.84, 137,145.48 and 44,716

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Solution

The fourth proportional to 91,585.84, 137,145.48 and 44,716 is: 66,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,585.84 : 137,145.48 = 44,716 : x
  2. Step 2: Convert to fraction form
    91,585.84/137,145.48 = 44,716/x
  3. Step 3: Cross multiply
    91,585.84x = 137,145.48 × 44,716
  4. Step 4: Simplify right side
    91,585.84x = 6,132,597,283.68
  5. Step 5: Solve for x
    x = 6,132,597,283.68/91,585.84
  6. Step 6: Final answer
    x = 66,960.10

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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.