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Finding the Fourth Proportional to 370,426.68, 555,640.02 and 89,942.04

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Solution

The fourth proportional to 370,426.68, 555,640.02 and 89,942.04 is: 134,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,426.68 : 555,640.02 = 89,942.04 : x
  2. Step 2: Convert to fraction form
    370,426.68/555,640.02 = 89,942.04/x
  3. Step 3: Cross multiply
    370,426.68x = 555,640.02 × 89,942.04
  4. Step 4: Simplify right side
    370,426.68x = 49,975,396,904.44
  5. Step 5: Solve for x
    x = 49,975,396,904.44/370,426.68
  6. Step 6: Final answer
    x = 134,913.06

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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.