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Finding the Fourth Proportional to 169,054.85, 233,296.07 and 91,531.32

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Solution

The fourth proportional to 169,054.85, 233,296.07 and 91,531.32 is: 126,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,054.85 : 233,296.07 = 91,531.32 : x
  2. Step 2: Convert to fraction form
    169,054.85/233,296.07 = 91,531.32/x
  3. Step 3: Cross multiply
    169,054.85x = 233,296.07 × 91,531.32
  4. Step 4: Simplify right side
    169,054.85x = 21,353,896,780.26
  5. Step 5: Solve for x
    x = 21,353,896,780.26/169,054.85
  6. Step 6: Final answer
    x = 126,313.43

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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.