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Finding the Fourth Proportional to 108,547.52, 149,791.20 and 63,226.88

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Solution

The fourth proportional to 108,547.52, 149,791.20 and 63,226.88 is: 87,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,547.52 : 149,791.20 = 63,226.88 : x
  2. Step 2: Convert to fraction form
    108,547.52/149,791.20 = 63,226.88/x
  3. Step 3: Cross multiply
    108,547.52x = 149,791.20 × 63,226.88
  4. Step 4: Simplify right side
    108,547.52x = 9,470,830,227.46
  5. Step 5: Solve for x
    x = 9,470,830,227.46/108,547.52
  6. Step 6: Final answer
    x = 87,250.54

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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.