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Finding the Fourth Proportional to 203,473.75, 304,900.77 and 103,484.11

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Solution

The fourth proportional to 203,473.75, 304,900.77 and 103,484.11 is: 155,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,473.75 : 304,900.77 = 103,484.11 : x
  2. Step 2: Convert to fraction form
    203,473.75/304,900.77 = 103,484.11/x
  3. Step 3: Cross multiply
    203,473.75x = 304,900.77 × 103,484.11
  4. Step 4: Simplify right side
    203,473.75x = 31,552,384,821.76
  5. Step 5: Solve for x
    x = 31,552,384,821.76/203,473.75
  6. Step 6: Final answer
    x = 155,068.58

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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.