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Finding the Fourth Proportional to 125,956.01, 173,816.69 and 68,595.96

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Solution

The fourth proportional to 125,956.01, 173,816.69 and 68,595.96 is: 94,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,956.01 : 173,816.69 = 68,595.96 : x
  2. Step 2: Convert to fraction form
    125,956.01/173,816.69 = 68,595.96/x
  3. Step 3: Cross multiply
    125,956.01x = 173,816.69 × 68,595.96
  4. Step 4: Simplify right side
    125,956.01x = 11,923,123,023.41
  5. Step 5: Solve for x
    x = 11,923,123,023.41/125,956.01
  6. Step 6: Final answer
    x = 94,661.01

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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.