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Finding the Fourth Proportional to 103,125.96, 154,645.20 and 36,582.84

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Solution

The fourth proportional to 103,125.96, 154,645.20 and 36,582.84 is: 54,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,125.96 : 154,645.20 = 36,582.84 : x
  2. Step 2: Convert to fraction form
    103,125.96/154,645.20 = 36,582.84/x
  3. Step 3: Cross multiply
    103,125.96x = 154,645.20 × 36,582.84
  4. Step 4: Simplify right side
    103,125.96x = 5,657,360,608.37
  5. Step 5: Solve for x
    x = 5,657,360,608.37/103,125.96
  6. Step 6: Final answer
    x = 54,858.74

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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.