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Finding the Fourth Proportional to 226,347.56, 312,365.21 and 124,372.21

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Solution

The fourth proportional to 226,347.56, 312,365.21 and 124,372.21 is: 171,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,347.56 : 312,365.21 = 124,372.21 : x
  2. Step 2: Convert to fraction form
    226,347.56/312,365.21 = 124,372.21/x
  3. Step 3: Cross multiply
    226,347.56x = 312,365.21 × 124,372.21
  4. Step 4: Simplify right side
    226,347.56x = 38,849,551,494.81
  5. Step 5: Solve for x
    x = 38,849,551,494.81/226,347.56
  6. Step 6: Final answer
    x = 171,636.71

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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.