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Finding the Fourth Proportional to 70,201.08, 96,874.58 and 38,371.08

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Solution

The fourth proportional to 70,201.08, 96,874.58 and 38,371.08 is: 52,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,201.08 : 96,874.58 = 38,371.08 : x
  2. Step 2: Convert to fraction form
    70,201.08/96,874.58 = 38,371.08/x
  3. Step 3: Cross multiply
    70,201.08x = 96,874.58 × 38,371.08
  4. Step 4: Simplify right side
    70,201.08x = 3,717,182,259.15
  5. Step 5: Solve for x
    x = 3,717,182,259.15/70,201.08
  6. Step 6: Final answer
    x = 52,950.50

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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.