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Finding the Fourth Proportional to 155,799.84, 215,019.84 and 95,410.56

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Solution

The fourth proportional to 155,799.84, 215,019.84 and 95,410.56 is: 131,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,799.84 : 215,019.84 = 95,410.56 : x
  2. Step 2: Convert to fraction form
    155,799.84/215,019.84 = 95,410.56/x
  3. Step 3: Cross multiply
    155,799.84x = 215,019.84 × 95,410.56
  4. Step 4: Simplify right side
    155,799.84x = 20,515,163,345.51
  5. Step 5: Solve for x
    x = 20,515,163,345.51/155,799.84
  6. Step 6: Final answer
    x = 131,676.41

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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.