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Finding the Fourth Proportional to 158,490.54, 237,680.82 and 63,692.64

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Solution

The fourth proportional to 158,490.54, 237,680.82 and 63,692.64 is: 95,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,490.54 : 237,680.82 = 63,692.64 : x
  2. Step 2: Convert to fraction form
    158,490.54/237,680.82 = 63,692.64/x
  3. Step 3: Cross multiply
    158,490.54x = 237,680.82 × 63,692.64
  4. Step 4: Simplify right side
    158,490.54x = 15,138,518,903.16
  5. Step 5: Solve for x
    x = 15,138,518,903.16/158,490.54
  6. Step 6: Final answer
    x = 95,516.86

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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.