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Finding the Fourth Proportional to 107,113.40, 147,817.68 and 59,367.68

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Solution

The fourth proportional to 107,113.40, 147,817.68 and 59,367.68 is: 81,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,113.40 : 147,817.68 = 59,367.68 : x
  2. Step 2: Convert to fraction form
    107,113.40/147,817.68 = 59,367.68/x
  3. Step 3: Cross multiply
    107,113.40x = 147,817.68 × 59,367.68
  4. Step 4: Simplify right side
    107,113.40x = 8,775,592,724.58
  5. Step 5: Solve for x
    x = 8,775,592,724.58/107,113.40
  6. Step 6: Final answer
    x = 81,928.06

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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.