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Finding the Fourth Proportional to 75,496.90, 113,244.93 and 19,336.90

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Solution

The fourth proportional to 75,496.90, 113,244.93 and 19,336.90 is: 29,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,496.90 : 113,244.93 = 19,336.90 : x
  2. Step 2: Convert to fraction form
    75,496.90/113,244.93 = 19,336.90/x
  3. Step 3: Cross multiply
    75,496.90x = 113,244.93 × 19,336.90
  4. Step 4: Simplify right side
    75,496.90x = 2,189,805,886.92
  5. Step 5: Solve for x
    x = 2,189,805,886.92/75,496.90
  6. Step 6: Final answer
    x = 29,005.24

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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.