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Finding the Fourth Proportional to 83,188.01, 114,811.35 and 47,381.36

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Solution

The fourth proportional to 83,188.01, 114,811.35 and 47,381.36 is: 65,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,188.01 : 114,811.35 = 47,381.36 : x
  2. Step 2: Convert to fraction form
    83,188.01/114,811.35 = 47,381.36/x
  3. Step 3: Cross multiply
    83,188.01x = 114,811.35 × 47,381.36
  4. Step 4: Simplify right side
    83,188.01x = 5,439,917,287.96
  5. Step 5: Solve for x
    x = 5,439,917,287.96/83,188.01
  6. Step 6: Final answer
    x = 65,393.04

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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.