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Finding the Fourth Proportional to 75,054.77, 112,595.79 and 35,611.51

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Solution

The fourth proportional to 75,054.77, 112,595.79 and 35,611.51 is: 53,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054.77 : 112,595.79 = 35,611.51 : x
  2. Step 2: Convert to fraction form
    75,054.77/112,595.79 = 35,611.51/x
  3. Step 3: Cross multiply
    75,054.77x = 112,595.79 × 35,611.51
  4. Step 4: Simplify right side
    75,054.77x = 4,009,706,101.54
  5. Step 5: Solve for x
    x = 4,009,706,101.54/75,054.77
  6. Step 6: Final answer
    x = 53,423.73

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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.