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Finding the Fourth Proportional to 103,225.19, 154,852.97 and 36,659.59

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Solution

The fourth proportional to 103,225.19, 154,852.97 and 36,659.59 is: 54,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,225.19 : 154,852.97 = 36,659.59 : x
  2. Step 2: Convert to fraction form
    103,225.19/154,852.97 = 36,659.59/x
  3. Step 3: Cross multiply
    103,225.19x = 154,852.97 × 36,659.59
  4. Step 4: Simplify right side
    103,225.19x = 5,676,845,820.05
  5. Step 5: Solve for x
    x = 5,676,845,820.05/103,225.19
  6. Step 6: Final answer
    x = 54,994.77

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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.