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Finding the Fourth Proportional to 302,065.41, 453,068.87 and 91,705.17

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Solution

The fourth proportional to 302,065.41, 453,068.87 and 91,705.17 is: 137,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,065.41 : 453,068.87 = 91,705.17 : x
  2. Step 2: Convert to fraction form
    302,065.41/453,068.87 = 91,705.17/x
  3. Step 3: Cross multiply
    302,065.41x = 453,068.87 × 91,705.17
  4. Step 4: Simplify right side
    302,065.41x = 41,548,757,286.53
  5. Step 5: Solve for x
    x = 41,548,757,286.53/302,065.41
  6. Step 6: Final answer
    x = 137,548.87

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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.