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Finding the Fourth Proportional to 48,251.40, 72,377.10 and 48,251.40

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Solution

The fourth proportional to 48,251.40, 72,377.10 and 48,251.40 is: 72,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,251.40 : 72,377.10 = 48,251.40 : x
  2. Step 2: Convert to fraction form
    48,251.40/72,377.10 = 48,251.40/x
  3. Step 3: Cross multiply
    48,251.40x = 72,377.10 × 48,251.40
  4. Step 4: Simplify right side
    48,251.40x = 3,492,296,402.94
  5. Step 5: Solve for x
    x = 3,492,296,402.94/48,251.40
  6. Step 6: Final answer
    x = 72,377.10

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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.