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Finding the Fourth Proportional to 136,226.48, 187,993.48 and 75,799.68

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Solution

The fourth proportional to 136,226.48, 187,993.48 and 75,799.68 is: 104,604.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,226.48 : 187,993.48 = 75,799.68 : x
  2. Step 2: Convert to fraction form
    136,226.48/187,993.48 = 75,799.68/x
  3. Step 3: Cross multiply
    136,226.48x = 187,993.48 × 75,799.68
  4. Step 4: Simplify right side
    136,226.48x = 14,249,845,626.09
  5. Step 5: Solve for x
    x = 14,249,845,626.09/136,226.48
  6. Step 6: Final answer
    x = 104,604.08

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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.