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Finding the Fourth Proportional to 107,068.05, 147,756.83 and 59,326.65

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Solution

The fourth proportional to 107,068.05, 147,756.83 and 59,326.65 is: 81,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,068.05 : 147,756.83 = 59,326.65 : x
  2. Step 2: Convert to fraction form
    107,068.05/147,756.83 = 59,326.65/x
  3. Step 3: Cross multiply
    107,068.05x = 147,756.83 × 59,326.65
  4. Step 4: Simplify right side
    107,068.05x = 8,765,917,441.89
  5. Step 5: Solve for x
    x = 8,765,917,441.89/107,068.05
  6. Step 6: Final answer
    x = 81,872.39

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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.