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Finding the Fourth Proportional to 224,048.80, 336,073.20 and 99,632.80

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Solution

The fourth proportional to 224,048.80, 336,073.20 and 99,632.80 is: 149,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,048.80 : 336,073.20 = 99,632.80 : x
  2. Step 2: Convert to fraction form
    224,048.80/336,073.20 = 99,632.80/x
  3. Step 3: Cross multiply
    224,048.80x = 336,073.20 × 99,632.80
  4. Step 4: Simplify right side
    224,048.80x = 33,483,913,920.96
  5. Step 5: Solve for x
    x = 33,483,913,920.96/224,048.80
  6. Step 6: Final answer
    x = 149,449.20

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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.