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Finding the Fourth Proportional to 116,014.32, 160,109.84 and 67,613.70

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Solution

The fourth proportional to 116,014.32, 160,109.84 and 67,613.70 is: 93,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,014.32 : 160,109.84 = 67,613.70 : x
  2. Step 2: Convert to fraction form
    116,014.32/160,109.84 = 67,613.70/x
  3. Step 3: Cross multiply
    116,014.32x = 160,109.84 × 67,613.70
  4. Step 4: Simplify right side
    116,014.32x = 10,825,618,688.81
  5. Step 5: Solve for x
    x = 10,825,618,688.81/116,014.32
  6. Step 6: Final answer
    x = 93,312.78

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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.