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Finding the Fourth Proportional to 104,583.76, 144,363.68 and 64,351.48

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Solution

The fourth proportional to 104,583.76, 144,363.68 and 64,351.48 is: 88,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,583.76 : 144,363.68 = 64,351.48 : x
  2. Step 2: Convert to fraction form
    104,583.76/144,363.68 = 64,351.48/x
  3. Step 3: Cross multiply
    104,583.76x = 144,363.68 × 64,351.48
  4. Step 4: Simplify right side
    104,583.76x = 9,290,016,466.25
  5. Step 5: Solve for x
    x = 9,290,016,466.25/104,583.76
  6. Step 6: Final answer
    x = 88,828.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.