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Finding the Fourth Proportional to 210,313, 315,471.66 and 62,569

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Solution

The fourth proportional to 210,313, 315,471.66 and 62,569 is: 93,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,313 : 315,471.66 = 62,569 : x
  2. Step 2: Convert to fraction form
    210,313/315,471.66 = 62,569/x
  3. Step 3: Cross multiply
    210,313x = 315,471.66 × 62,569
  4. Step 4: Simplify right side
    210,313x = 19,738,746,294.54
  5. Step 5: Solve for x
    x = 19,738,746,294.54/210,313
  6. Step 6: Final answer
    x = 93,854.14

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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.