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Finding the Fourth Proportional to 70,167.80, 96,830.44 and 38,336.02

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Solution

The fourth proportional to 70,167.80, 96,830.44 and 38,336.02 is: 52,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167.80 : 96,830.44 = 38,336.02 : x
  2. Step 2: Convert to fraction form
    70,167.80/96,830.44 = 38,336.02/x
  3. Step 3: Cross multiply
    70,167.80x = 96,830.44 × 38,336.02
  4. Step 4: Simplify right side
    70,167.80x = 3,712,093,346.53
  5. Step 5: Solve for x
    x = 3,712,093,346.53/70,167.80
  6. Step 6: Final answer
    x = 52,903.09

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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.