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Finding the Fourth Proportional to 354,554.93, 531,751.28 and 101,833.43

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Solution

The fourth proportional to 354,554.93, 531,751.28 and 101,833.43 is: 152,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,554.93 : 531,751.28 = 101,833.43 : x
  2. Step 2: Convert to fraction form
    354,554.93/531,751.28 = 101,833.43/x
  3. Step 3: Cross multiply
    354,554.93x = 531,751.28 × 101,833.43
  4. Step 4: Simplify right side
    354,554.93x = 54,150,053,581.37
  5. Step 5: Solve for x
    x = 54,150,053,581.37/354,554.93
  6. Step 6: Final answer
    x = 152,726.84

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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.