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Finding the Fourth Proportional to 99,802.03, 149,738.46 and 62,318.65

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Solution

The fourth proportional to 99,802.03, 149,738.46 and 62,318.65 is: 93,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,802.03 : 149,738.46 = 62,318.65 : x
  2. Step 2: Convert to fraction form
    99,802.03/149,738.46 = 62,318.65/x
  3. Step 3: Cross multiply
    99,802.03x = 149,738.46 × 62,318.65
  4. Step 4: Simplify right side
    99,802.03x = 9,331,498,680.28
  5. Step 5: Solve for x
    x = 9,331,498,680.28/99,802.03
  6. Step 6: Final answer
    x = 93,500.09

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1.5x scale

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.