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Finding the Fourth Proportional to 185,876.78, 279,826.65 and 169,343.06

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Solution

The fourth proportional to 185,876.78, 279,826.65 and 169,343.06 is: 254,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,876.78 : 279,826.65 = 169,343.06 : x
  2. Step 2: Convert to fraction form
    185,876.78/279,826.65 = 169,343.06/x
  3. Step 3: Cross multiply
    185,876.78x = 279,826.65 × 169,343.06
  4. Step 4: Simplify right side
    185,876.78x = 47,386,699,781.42
  5. Step 5: Solve for x
    x = 47,386,699,781.42/185,876.78
  6. Step 6: Final answer
    x = 254,936.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.