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Finding the Fourth Proportional to 169,240.39, 233,577.47 and 108,013

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Solution

The fourth proportional to 169,240.39, 233,577.47 and 108,013 is: 149,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,240.39 : 233,577.47 = 108,013 : x
  2. Step 2: Convert to fraction form
    169,240.39/233,577.47 = 108,013/x
  3. Step 3: Cross multiply
    169,240.39x = 233,577.47 × 108,013
  4. Step 4: Simplify right side
    169,240.39x = 25,229,403,267.11
  5. Step 5: Solve for x
    x = 25,229,403,267.11/169,240.39
  6. Step 6: Final answer
    x = 149,074.36

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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.