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Finding the Fourth Proportional to 108,225.50, 149,351.57 and 60,479.64

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Solution

The fourth proportional to 108,225.50, 149,351.57 and 60,479.64 is: 83,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,225.50 : 149,351.57 = 60,479.64 : x
  2. Step 2: Convert to fraction form
    108,225.50/149,351.57 = 60,479.64/x
  3. Step 3: Cross multiply
    108,225.50x = 149,351.57 × 60,479.64
  4. Step 4: Simplify right side
    108,225.50x = 9,032,728,884.64
  5. Step 5: Solve for x
    x = 9,032,728,884.64/108,225.50
  6. Step 6: Final answer
    x = 83,462.12

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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.