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Finding the Fourth Proportional to 107,065.32, 147,743.96 and 59,315.82

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Solution

The fourth proportional to 107,065.32, 147,743.96 and 59,315.82 is: 81,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,065.32 : 147,743.96 = 59,315.82 : x
  2. Step 2: Convert to fraction form
    107,065.32/147,743.96 = 59,315.82/x
  3. Step 3: Cross multiply
    107,065.32x = 147,743.96 × 59,315.82
  4. Step 4: Simplify right side
    107,065.32x = 8,763,553,398.73
  5. Step 5: Solve for x
    x = 8,763,553,398.73/107,065.32
  6. Step 6: Final answer
    x = 81,852.40

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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.