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Finding the Fourth Proportional to 108,230.98, 149,358.30 and 60,484.30

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Solution

The fourth proportional to 108,230.98, 149,358.30 and 60,484.30 is: 83,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,230.98 : 149,358.30 = 60,484.30 : x
  2. Step 2: Convert to fraction form
    108,230.98/149,358.30 = 60,484.30/x
  3. Step 3: Cross multiply
    108,230.98x = 149,358.30 × 60,484.30
  4. Step 4: Simplify right side
    108,230.98x = 9,033,832,224.69
  5. Step 5: Solve for x
    x = 9,033,832,224.69/108,230.98
  6. Step 6: Final answer
    x = 83,468.08

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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.