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Finding the Fourth Proportional to 235,952.49, 325,619.42 and 128,522.26

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Solution

The fourth proportional to 235,952.49, 325,619.42 and 128,522.26 is: 177,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,952.49 : 325,619.42 = 128,522.26 : x
  2. Step 2: Convert to fraction form
    235,952.49/325,619.42 = 128,522.26/x
  3. Step 3: Cross multiply
    235,952.49x = 325,619.42 × 128,522.26
  4. Step 4: Simplify right side
    235,952.49x = 41,849,343,758.29
  5. Step 5: Solve for x
    x = 41,849,343,758.29/235,952.49
  6. Step 6: Final answer
    x = 177,363.43

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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.