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Finding the Fourth Proportional to 99,093.51, 136,740 and 58,800.33

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Solution

The fourth proportional to 99,093.51, 136,740 and 58,800.33 is: 81,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,093.51 : 136,740 = 58,800.33 : x
  2. Step 2: Convert to fraction form
    99,093.51/136,740 = 58,800.33/x
  3. Step 3: Cross multiply
    99,093.51x = 136,740 × 58,800.33
  4. Step 4: Simplify right side
    99,093.51x = 8,040,357,124.20
  5. Step 5: Solve for x
    x = 8,040,357,124.20/99,093.51
  6. Step 6: Final answer
    x = 81,139.09

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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.