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Finding the Fourth Proportional to 242,233.75, 333,936.13 and 170,390.80

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Solution

The fourth proportional to 242,233.75, 333,936.13 and 170,390.80 is: 234,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,233.75 : 333,936.13 = 170,390.80 : x
  2. Step 2: Convert to fraction form
    242,233.75/333,936.13 = 170,390.80/x
  3. Step 3: Cross multiply
    242,233.75x = 333,936.13 × 170,390.80
  4. Step 4: Simplify right side
    242,233.75x = 56,899,641,817.97
  5. Step 5: Solve for x
    x = 56,899,641,817.97/242,233.75
  6. Step 6: Final answer
    x = 234,895.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.