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Finding the Fourth Proportional to 67,146, 92,663.52 and 36,929.76

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Solution

The fourth proportional to 67,146, 92,663.52 and 36,929.76 is: 50,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,146 : 92,663.52 = 36,929.76 : x
  2. Step 2: Convert to fraction form
    67,146/92,663.52 = 36,929.76/x
  3. Step 3: Cross multiply
    67,146x = 92,663.52 × 36,929.76
  4. Step 4: Simplify right side
    67,146x = 3,422,041,554.36
  5. Step 5: Solve for x
    x = 3,422,041,554.36/67,146
  6. Step 6: Final answer
    x = 50,964.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.