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Finding the Fourth Proportional to 226,585.54, 312,653 and 131,101.14

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Solution

The fourth proportional to 226,585.54, 312,653 and 131,101.14 is: 180,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,585.54 : 312,653 = 131,101.14 : x
  2. Step 2: Convert to fraction form
    226,585.54/312,653 = 131,101.14/x
  3. Step 3: Cross multiply
    226,585.54x = 312,653 × 131,101.14
  4. Step 4: Simplify right side
    226,585.54x = 40,989,164,724.42
  5. Step 5: Solve for x
    x = 40,989,164,724.42/226,585.54
  6. Step 6: Final answer
    x = 180,899.30

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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.