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Finding the Fourth Proportional to 108,079.68, 149,152.47 and 67,795.14

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Solution

The fourth proportional to 108,079.68, 149,152.47 and 67,795.14 is: 93,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,079.68 : 149,152.47 = 67,795.14 : x
  2. Step 2: Convert to fraction form
    108,079.68/149,152.47 = 67,795.14/x
  3. Step 3: Cross multiply
    108,079.68x = 149,152.47 × 67,795.14
  4. Step 4: Simplify right side
    108,079.68x = 10,111,812,585.00
  5. Step 5: Solve for x
    x = 10,111,812,585.00/108,079.68
  6. Step 6: Final answer
    x = 93,558.87

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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.