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Finding the Fourth Proportional to 302,242.46, 453,267.15 and 99,800.87

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Solution

The fourth proportional to 302,242.46, 453,267.15 and 99,800.87 is: 149,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,242.46 : 453,267.15 = 99,800.87 : x
  2. Step 2: Convert to fraction form
    302,242.46/453,267.15 = 99,800.87/x
  3. Step 3: Cross multiply
    302,242.46x = 453,267.15 × 99,800.87
  4. Step 4: Simplify right side
    302,242.46x = 45,236,453,646.08
  5. Step 5: Solve for x
    x = 45,236,453,646.08/302,242.46
  6. Step 6: Final answer
    x = 149,669.42

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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.