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Finding the Fourth Proportional to 235,952.74, 325,619.76 and 128,522.52

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Solution

The fourth proportional to 235,952.74, 325,619.76 and 128,522.52 is: 177,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,952.74 : 325,619.76 = 128,522.52 : x
  2. Step 2: Convert to fraction form
    235,952.74/325,619.76 = 128,522.52/x
  3. Step 3: Cross multiply
    235,952.74x = 325,619.76 × 128,522.52
  4. Step 4: Simplify right side
    235,952.74x = 41,849,472,117.00
  5. Step 5: Solve for x
    x = 41,849,472,117.00/235,952.74
  6. Step 6: Final answer
    x = 177,363.79

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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.