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Finding the Fourth Proportional to 83,263.80, 114,764.08 and 63,114.24

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Solution

The fourth proportional to 83,263.80, 114,764.08 and 63,114.24 is: 86,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,263.80 : 114,764.08 = 63,114.24 : x
  2. Step 2: Convert to fraction form
    83,263.80/114,764.08 = 63,114.24/x
  3. Step 3: Cross multiply
    83,263.80x = 114,764.08 × 63,114.24
  4. Step 4: Simplify right side
    83,263.80x = 7,243,247,688.50
  5. Step 5: Solve for x
    x = 7,243,247,688.50/83,263.80
  6. Step 6: Final answer
    x = 86,991.56

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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.