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Finding the Fourth Proportional to 136,022.70, 203,833.16 and 65,818.38

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Solution

The fourth proportional to 136,022.70, 203,833.16 and 65,818.38 is: 98,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,022.70 : 203,833.16 = 65,818.38 : x
  2. Step 2: Convert to fraction form
    136,022.70/203,833.16 = 65,818.38/x
  3. Step 3: Cross multiply
    136,022.70x = 203,833.16 × 65,818.38
  4. Step 4: Simplify right side
    136,022.70x = 13,415,968,381.48
  5. Step 5: Solve for x
    x = 13,415,968,381.48/136,022.70
  6. Step 6: Final answer
    x = 98,630.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.