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Finding the Fourth Proportional to 158,787.02, 237,870.93 and 88,454.54

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Solution

The fourth proportional to 158,787.02, 237,870.93 and 88,454.54 is: 132,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,787.02 : 237,870.93 = 88,454.54 : x
  2. Step 2: Convert to fraction form
    158,787.02/237,870.93 = 88,454.54/x
  3. Step 3: Cross multiply
    158,787.02x = 237,870.93 × 88,454.54
  4. Step 4: Simplify right side
    158,787.02x = 21,040,763,692.52
  5. Step 5: Solve for x
    x = 21,040,763,692.52/158,787.02
  6. Step 6: Final answer
    x = 132,509.34

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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.