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Finding the Fourth Proportional to 61,182.74, 91,763.16 and 16,204.40

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Solution

The fourth proportional to 61,182.74, 91,763.16 and 16,204.40 is: 24,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,182.74 : 91,763.16 = 16,204.40 : x
  2. Step 2: Convert to fraction form
    61,182.74/91,763.16 = 16,204.40/x
  3. Step 3: Cross multiply
    61,182.74x = 91,763.16 × 16,204.40
  4. Step 4: Simplify right side
    61,182.74x = 1,486,966,949.90
  5. Step 5: Solve for x
    x = 1,486,966,949.90/61,182.74
  6. Step 6: Final answer
    x = 24,303.70

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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.