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Finding the Fourth Proportional to 187,955.43, 281,925.58 and 61,605.15

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Solution

The fourth proportional to 187,955.43, 281,925.58 and 61,605.15 is: 92,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,955.43 : 281,925.58 = 61,605.15 : x
  2. Step 2: Convert to fraction form
    187,955.43/281,925.58 = 61,605.15/x
  3. Step 3: Cross multiply
    187,955.43x = 281,925.58 × 61,605.15
  4. Step 4: Simplify right side
    187,955.43x = 17,368,067,644.74
  5. Step 5: Solve for x
    x = 17,368,067,644.74/187,955.43
  6. Step 6: Final answer
    x = 92,405.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.