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Finding the Fourth Proportional to 75,363, 112,824.57 and 56,471.37

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Solution

The fourth proportional to 75,363, 112,824.57 and 56,471.37 is: 84,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,363 : 112,824.57 = 56,471.37 : x
  2. Step 2: Convert to fraction form
    75,363/112,824.57 = 56,471.37/x
  3. Step 3: Cross multiply
    75,363x = 112,824.57 × 56,471.37
  4. Step 4: Simplify right side
    75,363x = 6,371,358,037.56
  5. Step 5: Solve for x
    x = 6,371,358,037.56/75,363
  6. Step 6: Final answer
    x = 84,542.26

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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.