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Finding the Fourth Proportional to 225,601.35, 311,425.91 and 152,029.91

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Solution

The fourth proportional to 225,601.35, 311,425.91 and 152,029.91 is: 209,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,601.35 : 311,425.91 = 152,029.91 : x
  2. Step 2: Convert to fraction form
    225,601.35/311,425.91 = 152,029.91/x
  3. Step 3: Cross multiply
    225,601.35x = 311,425.91 × 152,029.91
  4. Step 4: Simplify right side
    225,601.35x = 47,346,054,512.66
  5. Step 5: Solve for x
    x = 47,346,054,512.66/225,601.35
  6. Step 6: Final answer
    x = 209,866.01

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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.