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Finding the Fourth Proportional to 94,867, 130,917.74 and 52,426.52

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Solution

The fourth proportional to 94,867, 130,917.74 and 52,426.52 is: 72,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,867 : 130,917.74 = 52,426.52 : x
  2. Step 2: Convert to fraction form
    94,867/130,917.74 = 52,426.52/x
  3. Step 3: Cross multiply
    94,867x = 130,917.74 × 52,426.52
  4. Step 4: Simplify right side
    94,867x = 6,863,561,514.46
  5. Step 5: Solve for x
    x = 6,863,561,514.46/94,867
  6. Step 6: Final answer
    x = 72,349.30

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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.