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Finding the Fourth Proportional to 269,373.63, 404,070.80 and 100,876.51

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Solution

The fourth proportional to 269,373.63, 404,070.80 and 100,876.51 is: 151,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,373.63 : 404,070.80 = 100,876.51 : x
  2. Step 2: Convert to fraction form
    269,373.63/404,070.80 = 100,876.51/x
  3. Step 3: Cross multiply
    269,373.63x = 404,070.80 × 100,876.51
  4. Step 4: Simplify right side
    269,373.63x = 40,761,254,085.21
  5. Step 5: Solve for x
    x = 40,761,254,085.21/269,373.63
  6. Step 6: Final answer
    x = 151,318.65

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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.