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Finding the Fourth Proportional to 210,006.70, 315,010.05 and 60,233.65

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Solution

The fourth proportional to 210,006.70, 315,010.05 and 60,233.65 is: 90,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,006.70 : 315,010.05 = 60,233.65 : x
  2. Step 2: Convert to fraction form
    210,006.70/315,010.05 = 60,233.65/x
  3. Step 3: Cross multiply
    210,006.70x = 315,010.05 × 60,233.65
  4. Step 4: Simplify right side
    210,006.70x = 18,974,205,098.18
  5. Step 5: Solve for x
    x = 18,974,205,098.18/210,006.70
  6. Step 6: Final answer
    x = 90,350.48

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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.