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Finding the Fourth Proportional to 183,264.66, 252,921.33 and 106,779.78

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Solution

The fourth proportional to 183,264.66, 252,921.33 and 106,779.78 is: 147,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,264.66 : 252,921.33 = 106,779.78 : x
  2. Step 2: Convert to fraction form
    183,264.66/252,921.33 = 106,779.78/x
  3. Step 3: Cross multiply
    183,264.66x = 252,921.33 × 106,779.78
  4. Step 4: Simplify right side
    183,264.66x = 27,006,883,974.71
  5. Step 5: Solve for x
    x = 27,006,883,974.71/183,264.66
  6. Step 6: Final answer
    x = 147,365.48

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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.