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Finding the Fourth Proportional to 70,600.60, 97,439.01 and 42,308.92

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Solution

The fourth proportional to 70,600.60, 97,439.01 and 42,308.92 is: 58,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,600.60 : 97,439.01 = 42,308.92 : x
  2. Step 2: Convert to fraction form
    70,600.60/97,439.01 = 42,308.92/x
  3. Step 3: Cross multiply
    70,600.60x = 97,439.01 × 42,308.92
  4. Step 4: Simplify right side
    70,600.60x = 4,122,539,278.97
  5. Step 5: Solve for x
    x = 4,122,539,278.97/70,600.60
  6. Step 6: Final answer
    x = 58,392.41

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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.