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Finding the Fourth Proportional to 108,062.68, 149,108.66 and 60,316.01

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Solution

The fourth proportional to 108,062.68, 149,108.66 and 60,316.01 is: 83,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,062.68 : 149,108.66 = 60,316.01 : x
  2. Step 2: Convert to fraction form
    108,062.68/149,108.66 = 60,316.01/x
  3. Step 3: Cross multiply
    108,062.68x = 149,108.66 × 60,316.01
  4. Step 4: Simplify right side
    108,062.68x = 8,993,639,725.02
  5. Step 5: Solve for x
    x = 8,993,639,725.02/108,062.68
  6. Step 6: Final answer
    x = 83,226.14

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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.