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Finding the Fourth Proportional to 313,094.37, 432,069.96 and 169,854.42

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Solution

The fourth proportional to 313,094.37, 432,069.96 and 169,854.42 is: 234,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,094.37 : 432,069.96 = 169,854.42 : x
  2. Step 2: Convert to fraction form
    313,094.37/432,069.96 = 169,854.42/x
  3. Step 3: Cross multiply
    313,094.37x = 432,069.96 × 169,854.42
  4. Step 4: Simplify right side
    313,094.37x = 73,388,992,455.22
  5. Step 5: Solve for x
    x = 73,388,992,455.22/313,094.37
  6. Step 6: Final answer
    x = 234,398.95

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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.