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Finding the Fourth Proportional to 316,301.48, 474,476.52 and 91,664.98

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Solution

The fourth proportional to 316,301.48, 474,476.52 and 91,664.98 is: 137,504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,301.48 : 474,476.52 = 91,664.98 : x
  2. Step 2: Convert to fraction form
    316,301.48/474,476.52 = 91,664.98/x
  3. Step 3: Cross multiply
    316,301.48x = 474,476.52 × 91,664.98
  4. Step 4: Simplify right side
    316,301.48x = 43,492,880,716.27
  5. Step 5: Solve for x
    x = 43,492,880,716.27/316,301.48
  6. Step 6: Final answer
    x = 137,504.51

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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.