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Finding the Fourth Proportional to 230,272.62, 317,784.97 and 133,479.64

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Solution

The fourth proportional to 230,272.62, 317,784.97 and 133,479.64 is: 184,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,272.62 : 317,784.97 = 133,479.64 : x
  2. Step 2: Convert to fraction form
    230,272.62/317,784.97 = 133,479.64/x
  3. Step 3: Cross multiply
    230,272.62x = 317,784.97 × 133,479.64
  4. Step 4: Simplify right side
    230,272.62x = 42,417,823,393.01
  5. Step 5: Solve for x
    x = 42,417,823,393.01/230,272.62
  6. Step 6: Final answer
    x = 184,206.98

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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.