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Finding the Fourth Proportional to 370,098.78, 555,065.12 and 170,227.14

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Solution

The fourth proportional to 370,098.78, 555,065.12 and 170,227.14 is: 255,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,098.78 : 555,065.12 = 170,227.14 : x
  2. Step 2: Convert to fraction form
    370,098.78/555,065.12 = 170,227.14/x
  3. Step 3: Cross multiply
    370,098.78x = 555,065.12 × 170,227.14
  4. Step 4: Simplify right side
    370,098.78x = 94,487,147,040.22
  5. Step 5: Solve for x
    x = 94,487,147,040.22/370,098.78
  6. Step 6: Final answer
    x = 255,302.51

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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.