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Finding the Fourth Proportional to 131,600.88, 197,482.32 and 61,487.28

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Solution

The fourth proportional to 131,600.88, 197,482.32 and 61,487.28 is: 92,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,600.88 : 197,482.32 = 61,487.28 : x
  2. Step 2: Convert to fraction form
    131,600.88/197,482.32 = 61,487.28/x
  3. Step 3: Cross multiply
    131,600.88x = 197,482.32 × 61,487.28
  4. Step 4: Simplify right side
    131,600.88x = 12,142,650,704.89
  5. Step 5: Solve for x
    x = 12,142,650,704.89/131,600.88
  6. Step 6: Final answer
    x = 92,268.77

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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.