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Finding the Fourth Proportional to 230,716.84, 346,073.22 and 72,945.40

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Solution

The fourth proportional to 230,716.84, 346,073.22 and 72,945.40 is: 109,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,716.84 : 346,073.22 = 72,945.40 : x
  2. Step 2: Convert to fraction form
    230,716.84/346,073.22 = 72,945.40/x
  3. Step 3: Cross multiply
    230,716.84x = 346,073.22 × 72,945.40
  4. Step 4: Simplify right side
    230,716.84x = 25,244,449,462.19
  5. Step 5: Solve for x
    x = 25,244,449,462.19/230,716.84
  6. Step 6: Final answer
    x = 109,417.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.