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Finding the Fourth Proportional to 108,568.50, 149,807.03 and 68,253.70

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Solution

The fourth proportional to 108,568.50, 149,807.03 and 68,253.70 is: 94,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,568.50 : 149,807.03 = 68,253.70 : x
  2. Step 2: Convert to fraction form
    108,568.50/149,807.03 = 68,253.70/x
  3. Step 3: Cross multiply
    108,568.50x = 149,807.03 × 68,253.70
  4. Step 4: Simplify right side
    108,568.50x = 10,224,884,083.51
  5. Step 5: Solve for x
    x = 10,224,884,083.51/108,568.50
  6. Step 6: Final answer
    x = 94,179.10

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1.5x scale

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.