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Finding the Fourth Proportional to 254,702.60, 351,474.18 and 141,521.48

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Solution

The fourth proportional to 254,702.60, 351,474.18 and 141,521.48 is: 195,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,702.60 : 351,474.18 = 141,521.48 : x
  2. Step 2: Convert to fraction form
    254,702.60/351,474.18 = 141,521.48/x
  3. Step 3: Cross multiply
    254,702.60x = 351,474.18 × 141,521.48
  4. Step 4: Simplify right side
    254,702.60x = 49,741,146,135.39
  5. Step 5: Solve for x
    x = 49,741,146,135.39/254,702.60
  6. Step 6: Final answer
    x = 195,291.08

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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.