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Finding the Fourth Proportional to 173,900.16, 239,991.24 and 97,414.80

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Solution

The fourth proportional to 173,900.16, 239,991.24 and 97,414.80 is: 134,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,900.16 : 239,991.24 = 97,414.80 : x
  2. Step 2: Convert to fraction form
    173,900.16/239,991.24 = 97,414.80/x
  3. Step 3: Cross multiply
    173,900.16x = 239,991.24 × 97,414.80
  4. Step 4: Simplify right side
    173,900.16x = 23,378,698,646.35
  5. Step 5: Solve for x
    x = 23,378,698,646.35/173,900.16
  6. Step 6: Final answer
    x = 134,437.48

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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.