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Finding the Fourth Proportional to 70,169.39, 96,834.08 and 38,339.02

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Solution

The fourth proportional to 70,169.39, 96,834.08 and 38,339.02 is: 52,908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,169.39 : 96,834.08 = 38,339.02 : x
  2. Step 2: Convert to fraction form
    70,169.39/96,834.08 = 38,339.02/x
  3. Step 3: Cross multiply
    70,169.39x = 96,834.08 × 38,339.02
  4. Step 4: Simplify right side
    70,169.39x = 3,712,523,946.69
  5. Step 5: Solve for x
    x = 3,712,523,946.69/70,169.39
  6. Step 6: Final answer
    x = 52,908.03

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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.