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Finding the Fourth Proportional to 232,681.70, 349,022.55 and 66,469.70

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Solution

The fourth proportional to 232,681.70, 349,022.55 and 66,469.70 is: 99,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,681.70 : 349,022.55 = 66,469.70 : x
  2. Step 2: Convert to fraction form
    232,681.70/349,022.55 = 66,469.70/x
  3. Step 3: Cross multiply
    232,681.70x = 349,022.55 × 66,469.70
  4. Step 4: Simplify right side
    232,681.70x = 23,199,424,191.74
  5. Step 5: Solve for x
    x = 23,199,424,191.74/232,681.70
  6. Step 6: Final answer
    x = 99,704.55

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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.