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Finding the Fourth Proportional to 454,492.10, 681,737.04 and 134,668.87

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Solution

The fourth proportional to 454,492.10, 681,737.04 and 134,668.87 is: 202,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,492.10 : 681,737.04 = 134,668.87 : x
  2. Step 2: Convert to fraction form
    454,492.10/681,737.04 = 134,668.87/x
  3. Step 3: Cross multiply
    454,492.10x = 681,737.04 × 134,668.87
  4. Step 4: Simplify right side
    454,492.10x = 91,808,755,109.60
  5. Step 5: Solve for x
    x = 91,808,755,109.60/454,492.10
  6. Step 6: Final answer
    x = 202,002.97

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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.