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Finding the Fourth Proportional to 302,446.41, 453,670.65 and 89,216.94

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Solution

The fourth proportional to 302,446.41, 453,670.65 and 89,216.94 is: 133,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,446.41 : 453,670.65 = 89,216.94 : x
  2. Step 2: Convert to fraction form
    302,446.41/453,670.65 = 89,216.94/x
  3. Step 3: Cross multiply
    302,446.41x = 453,670.65 × 89,216.94
  4. Step 4: Simplify right side
    302,446.41x = 40,475,107,160.81
  5. Step 5: Solve for x
    x = 40,475,107,160.81/302,446.41
  6. Step 6: Final answer
    x = 133,825.72

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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.