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Finding the Fourth Proportional to 141,123.30, 194,716.65 and 79,870.32

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Solution

The fourth proportional to 141,123.30, 194,716.65 and 79,870.32 is: 110,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,123.30 : 194,716.65 = 79,870.32 : x
  2. Step 2: Convert to fraction form
    141,123.30/194,716.65 = 79,870.32/x
  3. Step 3: Cross multiply
    141,123.30x = 194,716.65 × 79,870.32
  4. Step 4: Simplify right side
    141,123.30x = 15,552,081,144.83
  5. Step 5: Solve for x
    x = 15,552,081,144.83/141,123.30
  6. Step 6: Final answer
    x = 110,202.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.