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Finding the Fourth Proportional to 108,229.23, 149,259.62 and 67,946.74

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Solution

The fourth proportional to 108,229.23, 149,259.62 and 67,946.74 is: 93,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,229.23 : 149,259.62 = 67,946.74 : x
  2. Step 2: Convert to fraction form
    108,229.23/149,259.62 = 67,946.74/x
  3. Step 3: Cross multiply
    108,229.23x = 149,259.62 × 67,946.74
  4. Step 4: Simplify right side
    108,229.23x = 10,141,704,592.64
  5. Step 5: Solve for x
    x = 10,141,704,592.64/108,229.23
  6. Step 6: Final answer
    x = 93,705.79

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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.