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Finding the Fourth Proportional to 82,303.92, 113,579.96 and 44,578.17

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Solution

The fourth proportional to 82,303.92, 113,579.96 and 44,578.17 is: 61,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,303.92 : 113,579.96 = 44,578.17 : x
  2. Step 2: Convert to fraction form
    82,303.92/113,579.96 = 44,578.17/x
  3. Step 3: Cross multiply
    82,303.92x = 113,579.96 × 44,578.17
  4. Step 4: Simplify right side
    82,303.92x = 5,063,186,542.58
  5. Step 5: Solve for x
    x = 5,063,186,542.58/82,303.92
  6. Step 6: Final answer
    x = 61,518.17

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1.5x scale

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.