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Finding the Fourth Proportional to 131,791.95, 197,700.06 and 43,045.92

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Solution

The fourth proportional to 131,791.95, 197,700.06 and 43,045.92 is: 64,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,791.95 : 197,700.06 = 43,045.92 : x
  2. Step 2: Convert to fraction form
    131,791.95/197,700.06 = 43,045.92/x
  3. Step 3: Cross multiply
    131,791.95x = 197,700.06 × 43,045.92
  4. Step 4: Simplify right side
    131,791.95x = 8,510,180,966.76
  5. Step 5: Solve for x
    x = 8,510,180,966.76/131,791.95
  6. Step 6: Final answer
    x = 64,572.84

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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.