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Finding the Fourth Proportional to 312,061.11, 468,140.27 and 101,650.11

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Solution

The fourth proportional to 312,061.11, 468,140.27 and 101,650.11 is: 152,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,061.11 : 468,140.27 = 101,650.11 : x
  2. Step 2: Convert to fraction form
    312,061.11/468,140.27 = 101,650.11/x
  3. Step 3: Cross multiply
    312,061.11x = 468,140.27 × 101,650.11
  4. Step 4: Simplify right side
    312,061.11x = 47,586,509,432.68
  5. Step 5: Solve for x
    x = 47,586,509,432.68/312,061.11
  6. Step 6: Final answer
    x = 152,491.00

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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.