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Finding the Fourth Proportional to 71,752.23, 108,107.06 and 65,006.25

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Solution

The fourth proportional to 71,752.23, 108,107.06 and 65,006.25 is: 97,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,752.23 : 108,107.06 = 65,006.25 : x
  2. Step 2: Convert to fraction form
    71,752.23/108,107.06 = 65,006.25/x
  3. Step 3: Cross multiply
    71,752.23x = 108,107.06 × 65,006.25
  4. Step 4: Simplify right side
    71,752.23x = 7,027,633,838.69
  5. Step 5: Solve for x
    x = 7,027,633,838.69/71,752.23
  6. Step 6: Final answer
    x = 97,943.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.