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Finding the Fourth Proportional to 197,363.20, 296,044.80 and 49,619.20

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Solution

The fourth proportional to 197,363.20, 296,044.80 and 49,619.20 is: 74,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,363.20 : 296,044.80 = 49,619.20 : x
  2. Step 2: Convert to fraction form
    197,363.20/296,044.80 = 49,619.20/x
  3. Step 3: Cross multiply
    197,363.20x = 296,044.80 × 49,619.20
  4. Step 4: Simplify right side
    197,363.20x = 14,689,506,140.16
  5. Step 5: Solve for x
    x = 14,689,506,140.16/197,363.20
  6. Step 6: Final answer
    x = 74,428.80

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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.