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Finding the Fourth Proportional to 99,169.44, 136,911.06 and 75,254.28

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Solution

The fourth proportional to 99,169.44, 136,911.06 and 75,254.28 is: 103,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,169.44 : 136,911.06 = 75,254.28 : x
  2. Step 2: Convert to fraction form
    99,169.44/136,911.06 = 75,254.28/x
  3. Step 3: Cross multiply
    99,169.44x = 136,911.06 × 75,254.28
  4. Step 4: Simplify right side
    99,169.44x = 10,303,143,244.34
  5. Step 5: Solve for x
    x = 10,303,143,244.34/99,169.44
  6. Step 6: Final answer
    x = 103,894.34

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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.