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Finding the Fourth Proportional to 302,104.82, 453,157.95 and 91,744.34

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Solution

The fourth proportional to 302,104.82, 453,157.95 and 91,744.34 is: 137,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,104.82 : 453,157.95 = 91,744.34 : x
  2. Step 2: Convert to fraction form
    302,104.82/453,157.95 = 91,744.34/x
  3. Step 3: Cross multiply
    302,104.82x = 453,157.95 × 91,744.34
  4. Step 4: Simplify right side
    302,104.82x = 41,574,677,038.50
  5. Step 5: Solve for x
    x = 41,574,677,038.50/302,104.82
  6. Step 6: Final answer
    x = 137,616.73

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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.