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Finding the Fourth Proportional to 84,117.66, 126,202.80 and 24,953.64

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Solution

The fourth proportional to 84,117.66, 126,202.80 and 24,953.64 is: 37,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,117.66 : 126,202.80 = 24,953.64 : x
  2. Step 2: Convert to fraction form
    84,117.66/126,202.80 = 24,953.64/x
  3. Step 3: Cross multiply
    84,117.66x = 126,202.80 × 24,953.64
  4. Step 4: Simplify right side
    84,117.66x = 3,149,219,238.19
  5. Step 5: Solve for x
    x = 3,149,219,238.19/84,117.66
  6. Step 6: Final answer
    x = 37,438.26

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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.