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Finding the Fourth Proportional to 67,766.84, 93,401.48 and 45,065.25

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Solution

The fourth proportional to 67,766.84, 93,401.48 and 45,065.25 is: 62,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,766.84 : 93,401.48 = 45,065.25 : x
  2. Step 2: Convert to fraction form
    67,766.84/93,401.48 = 45,065.25/x
  3. Step 3: Cross multiply
    67,766.84x = 93,401.48 × 45,065.25
  4. Step 4: Simplify right side
    67,766.84x = 4,209,160,821.24
  5. Step 5: Solve for x
    x = 4,209,160,821.24/67,766.84
  6. Step 6: Final answer
    x = 62,112.40

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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.