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Finding the Fourth Proportional to 68,776.76, 103,160.89 and 24,397.67

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Solution

The fourth proportional to 68,776.76, 103,160.89 and 24,397.67 is: 36,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,776.76 : 103,160.89 = 24,397.67 : x
  2. Step 2: Convert to fraction form
    68,776.76/103,160.89 = 24,397.67/x
  3. Step 3: Cross multiply
    68,776.76x = 103,160.89 × 24,397.67
  4. Step 4: Simplify right side
    68,776.76x = 2,516,885,639.53
  5. Step 5: Solve for x
    x = 2,516,885,639.53/68,776.76
  6. Step 6: Final answer
    x = 36,595.00

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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.