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Finding the Fourth Proportional to 370,207.91, 555,311.88 and 89,725.16

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Solution

The fourth proportional to 370,207.91, 555,311.88 and 89,725.16 is: 134,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,207.91 : 555,311.88 = 89,725.16 : x
  2. Step 2: Convert to fraction form
    370,207.91/555,311.88 = 89,725.16/x
  3. Step 3: Cross multiply
    370,207.91x = 555,311.88 × 89,725.16
  4. Step 4: Simplify right side
    370,207.91x = 49,825,447,282.90
  5. Step 5: Solve for x
    x = 49,825,447,282.90/370,207.91
  6. Step 6: Final answer
    x = 134,587.74

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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.