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Finding the Fourth Proportional to 235,152.39, 324,512.64 and 127,724.52

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Solution

The fourth proportional to 235,152.39, 324,512.64 and 127,724.52 is: 176,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,152.39 : 324,512.64 = 127,724.52 : x
  2. Step 2: Convert to fraction form
    235,152.39/324,512.64 = 127,724.52/x
  3. Step 3: Cross multiply
    235,152.39x = 324,512.64 × 127,724.52
  4. Step 4: Simplify right side
    235,152.39x = 41,448,221,177.93
  5. Step 5: Solve for x
    x = 41,448,221,177.93/235,152.39
  6. Step 6: Final answer
    x = 176,261.11

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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.