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Finding the Fourth Proportional to 114,541.81, 158,097.78 and 64,257.01

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Solution

The fourth proportional to 114,541.81, 158,097.78 and 64,257.01 is: 88,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,541.81 : 158,097.78 = 64,257.01 : x
  2. Step 2: Convert to fraction form
    114,541.81/158,097.78 = 64,257.01/x
  3. Step 3: Cross multiply
    114,541.81x = 158,097.78 × 64,257.01
  4. Step 4: Simplify right side
    114,541.81x = 10,158,890,630.44
  5. Step 5: Solve for x
    x = 10,158,890,630.44/114,541.81
  6. Step 6: Final answer
    x = 88,691.55

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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.