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Finding the Fourth Proportional to 302,507.95, 453,656.15 and 89,219.29

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Solution

The fourth proportional to 302,507.95, 453,656.15 and 89,219.29 is: 133,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,507.95 : 453,656.15 = 89,219.29 : x
  2. Step 2: Convert to fraction form
    302,507.95/453,656.15 = 89,219.29/x
  3. Step 3: Cross multiply
    302,507.95x = 453,656.15 × 89,219.29
  4. Step 4: Simplify right side
    302,507.95x = 40,474,876,892.76
  5. Step 5: Solve for x
    x = 40,474,876,892.76/302,507.95
  6. Step 6: Final answer
    x = 133,797.73

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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.