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Finding the Fourth Proportional to 185,925, 279,899.13 and 169,391.28

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Solution

The fourth proportional to 185,925, 279,899.13 and 169,391.28 is: 255,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,925 : 279,899.13 = 169,391.28 : x
  2. Step 2: Convert to fraction form
    185,925/279,899.13 = 169,391.28/x
  3. Step 3: Cross multiply
    185,925x = 279,899.13 × 169,391.28
  4. Step 4: Simplify right side
    185,925x = 47,412,471,901.59
  5. Step 5: Solve for x
    x = 47,412,471,901.59/185,925
  6. Step 6: Final answer
    x = 255,008.59

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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.