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Finding the Fourth Proportional to 106,270.65, 146,648.76 and 60,916.11

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Solution

The fourth proportional to 106,270.65, 146,648.76 and 60,916.11 is: 84,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,270.65 : 146,648.76 = 60,916.11 : x
  2. Step 2: Convert to fraction form
    106,270.65/146,648.76 = 60,916.11/x
  3. Step 3: Cross multiply
    106,270.65x = 146,648.76 × 60,916.11
  4. Step 4: Simplify right side
    106,270.65x = 8,933,271,995.52
  5. Step 5: Solve for x
    x = 8,933,271,995.52/106,270.65
  6. Step 6: Final answer
    x = 84,061.52

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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.