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Finding the Fourth Proportional to 70,366.44, 97,105.74 and 38,100.90

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Solution

The fourth proportional to 70,366.44, 97,105.74 and 38,100.90 is: 52,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,366.44 : 97,105.74 = 38,100.90 : x
  2. Step 2: Convert to fraction form
    70,366.44/97,105.74 = 38,100.90/x
  3. Step 3: Cross multiply
    70,366.44x = 97,105.74 × 38,100.90
  4. Step 4: Simplify right side
    70,366.44x = 3,699,816,089.17
  5. Step 5: Solve for x
    x = 3,699,816,089.17/70,366.44
  6. Step 6: Final answer
    x = 52,579.27

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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.