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Finding the Fourth Proportional to 235,488.52, 324,976.44 and 128,060.88

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Solution

The fourth proportional to 235,488.52, 324,976.44 and 128,060.88 is: 176,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,488.52 : 324,976.44 = 128,060.88 : x
  2. Step 2: Convert to fraction form
    235,488.52/324,976.44 = 128,060.88/x
  3. Step 3: Cross multiply
    235,488.52x = 324,976.44 × 128,060.88
  4. Step 4: Simplify right side
    235,488.52x = 41,616,768,885.67
  5. Step 5: Solve for x
    x = 41,616,768,885.67/235,488.52
  6. Step 6: Final answer
    x = 176,725.26

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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.