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Finding the Fourth Proportional to 68,701.80, 103,050 and 24,326.76

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Solution

The fourth proportional to 68,701.80, 103,050 and 24,326.76 is: 36,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,701.80 : 103,050 = 24,326.76 : x
  2. Step 2: Convert to fraction form
    68,701.80/103,050 = 24,326.76/x
  3. Step 3: Cross multiply
    68,701.80x = 103,050 × 24,326.76
  4. Step 4: Simplify right side
    68,701.80x = 2,506,872,618
  5. Step 5: Solve for x
    x = 2,506,872,618/68,701.80
  6. Step 6: Final answer
    x = 36,489.18

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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.