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Finding the Fourth Proportional to 207,251.35, 310,877.03 and 57,491.65

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Solution

The fourth proportional to 207,251.35, 310,877.03 and 57,491.65 is: 86,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,251.35 : 310,877.03 = 57,491.65 : x
  2. Step 2: Convert to fraction form
    207,251.35/310,877.03 = 57,491.65/x
  3. Step 3: Cross multiply
    207,251.35x = 310,877.03 × 57,491.65
  4. Step 4: Simplify right side
    207,251.35x = 17,872,833,401.80
  5. Step 5: Solve for x
    x = 17,872,833,401.80/207,251.35
  6. Step 6: Final answer
    x = 86,237.48

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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.