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Finding the Fourth Proportional to 108,244.68, 149,280.92 and 67,962.20

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Solution

The fourth proportional to 108,244.68, 149,280.92 and 67,962.20 is: 93,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,244.68 : 149,280.92 = 67,962.20 : x
  2. Step 2: Convert to fraction form
    108,244.68/149,280.92 = 67,962.20/x
  3. Step 3: Cross multiply
    108,244.68x = 149,280.92 × 67,962.20
  4. Step 4: Simplify right side
    108,244.68x = 10,145,459,741.22
  5. Step 5: Solve for x
    x = 10,145,459,741.22/108,244.68
  6. Step 6: Final answer
    x = 93,727.10

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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.