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Finding the Fourth Proportional to 228,853.74, 343,280.88 and 95,661.12

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Solution

The fourth proportional to 228,853.74, 343,280.88 and 95,661.12 is: 143,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,853.74 : 343,280.88 = 95,661.12 : x
  2. Step 2: Convert to fraction form
    228,853.74/343,280.88 = 95,661.12/x
  3. Step 3: Cross multiply
    228,853.74x = 343,280.88 × 95,661.12
  4. Step 4: Simplify right side
    228,853.74x = 32,838,633,455.39
  5. Step 5: Solve for x
    x = 32,838,633,455.39/228,853.74
  6. Step 6: Final answer
    x = 143,491.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.