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Finding the Fourth Proportional to 231,327.99, 346,595.58 and 155,284.17

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Solution

The fourth proportional to 231,327.99, 346,595.58 and 155,284.17 is: 232,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,327.99 : 346,595.58 = 155,284.17 : x
  2. Step 2: Convert to fraction form
    231,327.99/346,595.58 = 155,284.17/x
  3. Step 3: Cross multiply
    231,327.99x = 346,595.58 × 155,284.17
  4. Step 4: Simplify right side
    231,327.99x = 53,820,806,965.97
  5. Step 5: Solve for x
    x = 53,820,806,965.97/231,327.99
  6. Step 6: Final answer
    x = 232,660.16

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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.