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Finding the Fourth Proportional to 230,049, 317,474.63 and 125,279.84

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Solution

The fourth proportional to 230,049, 317,474.63 and 125,279.84 is: 172,889.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,049 : 317,474.63 = 125,279.84 : x
  2. Step 2: Convert to fraction form
    230,049/317,474.63 = 125,279.84/x
  3. Step 3: Cross multiply
    230,049x = 317,474.63 × 125,279.84
  4. Step 4: Simplify right side
    230,049x = 39,773,168,636.69
  5. Step 5: Solve for x
    x = 39,773,168,636.69/230,049
  6. Step 6: Final answer
    x = 172,889.99

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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.