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Finding the Fourth Proportional to 185,475.88, 255,862.48 and 117,378.08

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Solution

The fourth proportional to 185,475.88, 255,862.48 and 117,378.08 is: 161,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,475.88 : 255,862.48 = 117,378.08 : x
  2. Step 2: Convert to fraction form
    185,475.88/255,862.48 = 117,378.08/x
  3. Step 3: Cross multiply
    185,475.88x = 255,862.48 × 117,378.08
  4. Step 4: Simplify right side
    185,475.88x = 30,032,646,646.44
  5. Step 5: Solve for x
    x = 30,032,646,646.44/185,475.88
  6. Step 6: Final answer
    x = 161,922.11

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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.