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Finding the Fourth Proportional to 370,117.33, 555,174.15 and 89,634.58

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Solution

The fourth proportional to 370,117.33, 555,174.15 and 89,634.58 is: 134,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,117.33 : 555,174.15 = 89,634.58 : x
  2. Step 2: Convert to fraction form
    370,117.33/555,174.15 = 89,634.58/x
  3. Step 3: Cross multiply
    370,117.33x = 555,174.15 × 89,634.58
  4. Step 4: Simplify right side
    370,117.33x = 49,762,801,762.11
  5. Step 5: Solve for x
    x = 49,762,801,762.11/370,117.33
  6. Step 6: Final answer
    x = 134,451.42

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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.