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Finding the Fourth Proportional to 146,487.67, 219,712.06 and 41,315.11

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Solution

The fourth proportional to 146,487.67, 219,712.06 and 41,315.11 is: 61,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,487.67 : 219,712.06 = 41,315.11 : x
  2. Step 2: Convert to fraction form
    146,487.67/219,712.06 = 41,315.11/x
  3. Step 3: Cross multiply
    146,487.67x = 219,712.06 × 41,315.11
  4. Step 4: Simplify right side
    146,487.67x = 9,077,427,927.23
  5. Step 5: Solve for x
    x = 9,077,427,927.23/146,487.67
  6. Step 6: Final answer
    x = 61,967.18

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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.