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Finding the Fourth Proportional to 230,395.16, 317,952.06 and 134,892.92

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Solution

The fourth proportional to 230,395.16, 317,952.06 and 134,892.92 is: 186,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,395.16 : 317,952.06 = 134,892.92 : x
  2. Step 2: Convert to fraction form
    230,395.16/317,952.06 = 134,892.92/x
  3. Step 3: Cross multiply
    230,395.16x = 317,952.06 × 134,892.92
  4. Step 4: Simplify right side
    230,395.16x = 42,889,481,793.42
  5. Step 5: Solve for x
    x = 42,889,481,793.42/230,395.16
  6. Step 6: Final answer
    x = 186,156.18

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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.