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Finding the Fourth Proportional to 226,394.70, 312,404.34 and 124,419.04

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Solution

The fourth proportional to 226,394.70, 312,404.34 and 124,419.04 is: 171,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,394.70 : 312,404.34 = 124,419.04 : x
  2. Step 2: Convert to fraction form
    226,394.70/312,404.34 = 124,419.04/x
  3. Step 3: Cross multiply
    226,394.70x = 312,404.34 × 124,419.04
  4. Step 4: Simplify right side
    226,394.70x = 38,869,047,760.19
  5. Step 5: Solve for x
    x = 38,869,047,760.19/226,394.70
  6. Step 6: Final answer
    x = 171,687.10

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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.