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Finding the Fourth Proportional to 61,933.29, 92,803.14 and 45,216.51

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Solution

The fourth proportional to 61,933.29, 92,803.14 and 45,216.51 is: 67,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,933.29 : 92,803.14 = 45,216.51 : x
  2. Step 2: Convert to fraction form
    61,933.29/92,803.14 = 45,216.51/x
  3. Step 3: Cross multiply
    61,933.29x = 92,803.14 × 45,216.51
  4. Step 4: Simplify right side
    61,933.29x = 4,196,234,107.84
  5. Step 5: Solve for x
    x = 4,196,234,107.84/61,933.29
  6. Step 6: Final answer
    x = 67,754.10

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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.