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Finding the Fourth Proportional to 185,876.80, 256,522.67 and 105,304.98

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Solution

The fourth proportional to 185,876.80, 256,522.67 and 105,304.98 is: 145,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,876.80 : 256,522.67 = 105,304.98 : x
  2. Step 2: Convert to fraction form
    185,876.80/256,522.67 = 105,304.98/x
  3. Step 3: Cross multiply
    185,876.80x = 256,522.67 × 105,304.98
  4. Step 4: Simplify right side
    185,876.80x = 27,013,115,464.23
  5. Step 5: Solve for x
    x = 27,013,115,464.23/185,876.80
  6. Step 6: Final answer
    x = 145,328.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.