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Finding the Fourth Proportional to 232,812.72, 349,209.36 and 66,600.72

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Solution

The fourth proportional to 232,812.72, 349,209.36 and 66,600.72 is: 99,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,812.72 : 349,209.36 = 66,600.72 : x
  2. Step 2: Convert to fraction form
    232,812.72/349,209.36 = 66,600.72/x
  3. Step 3: Cross multiply
    232,812.72x = 349,209.36 × 66,600.72
  4. Step 4: Simplify right side
    232,812.72x = 23,257,594,806.74
  5. Step 5: Solve for x
    x = 23,257,594,806.74/232,812.72
  6. Step 6: Final answer
    x = 99,898.30

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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.