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Finding the Fourth Proportional to 103,072.53, 154,645.65 and 63,583.68

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Solution

The fourth proportional to 103,072.53, 154,645.65 and 63,583.68 is: 95,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,072.53 : 154,645.65 = 63,583.68 : x
  2. Step 2: Convert to fraction form
    103,072.53/154,645.65 = 63,583.68/x
  3. Step 3: Cross multiply
    103,072.53x = 154,645.65 × 63,583.68
  4. Step 4: Simplify right side
    103,072.53x = 9,832,939,522.99
  5. Step 5: Solve for x
    x = 9,832,939,522.99/103,072.53
  6. Step 6: Final answer
    x = 95,398.26

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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.