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Finding the Fourth Proportional to 70,193.43, 96,837.92 and 51,031.19

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Solution

The fourth proportional to 70,193.43, 96,837.92 and 51,031.19 is: 70,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,193.43 : 96,837.92 = 51,031.19 : x
  2. Step 2: Convert to fraction form
    70,193.43/96,837.92 = 51,031.19/x
  3. Step 3: Cross multiply
    70,193.43x = 96,837.92 × 51,031.19
  4. Step 4: Simplify right side
    70,193.43x = 4,941,754,294.72
  5. Step 5: Solve for x
    x = 4,941,754,294.72/70,193.43
  6. Step 6: Final answer
    x = 70,401.95

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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.