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Finding the Fourth Proportional to 334,065, 501,126.66 and 84,747

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Solution

The fourth proportional to 334,065, 501,126.66 and 84,747 is: 127,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,065 : 501,126.66 = 84,747 : x
  2. Step 2: Convert to fraction form
    334,065/501,126.66 = 84,747/x
  3. Step 3: Cross multiply
    334,065x = 501,126.66 × 84,747
  4. Step 4: Simplify right side
    334,065x = 42,468,981,055.02
  5. Step 5: Solve for x
    x = 42,468,981,055.02/334,065
  6. Step 6: Final answer
    x = 127,127.90

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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.