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Finding the Fourth Proportional to 83,303.70, 114,958.17 and 45,577.50

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Solution

The fourth proportional to 83,303.70, 114,958.17 and 45,577.50 is: 62,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,303.70 : 114,958.17 = 45,577.50 : x
  2. Step 2: Convert to fraction form
    83,303.70/114,958.17 = 45,577.50/x
  3. Step 3: Cross multiply
    83,303.70x = 114,958.17 × 45,577.50
  4. Step 4: Simplify right side
    83,303.70x = 5,239,505,993.18
  5. Step 5: Solve for x
    x = 5,239,505,993.18/83,303.70
  6. Step 6: Final answer
    x = 62,896.44

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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.