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Finding the Fourth Proportional to 83,193.18, 114,804.90 and 45,467.70

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Solution

The fourth proportional to 83,193.18, 114,804.90 and 45,467.70 is: 62,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,193.18 : 114,804.90 = 45,467.70 : x
  2. Step 2: Convert to fraction form
    83,193.18/114,804.90 = 45,467.70/x
  3. Step 3: Cross multiply
    83,193.18x = 114,804.90 × 45,467.70
  4. Step 4: Simplify right side
    83,193.18x = 5,219,914,751.73
  5. Step 5: Solve for x
    x = 5,219,914,751.73/83,193.18
  6. Step 6: Final answer
    x = 62,744.50

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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.