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Finding the Fourth Proportional to 97,359.60, 146,039.40 and 38,197.20

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Solution

The fourth proportional to 97,359.60, 146,039.40 and 38,197.20 is: 57,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,359.60 : 146,039.40 = 38,197.20 : x
  2. Step 2: Convert to fraction form
    97,359.60/146,039.40 = 38,197.20/x
  3. Step 3: Cross multiply
    97,359.60x = 146,039.40 × 38,197.20
  4. Step 4: Simplify right side
    97,359.60x = 5,578,296,169.68
  5. Step 5: Solve for x
    x = 5,578,296,169.68/97,359.60
  6. Step 6: Final answer
    x = 57,295.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.