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Finding the Fourth Proportional to 110,899.73, 153,041.45 and 63,153.09

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Solution

The fourth proportional to 110,899.73, 153,041.45 and 63,153.09 is: 87,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,899.73 : 153,041.45 = 63,153.09 : x
  2. Step 2: Convert to fraction form
    110,899.73/153,041.45 = 63,153.09/x
  3. Step 3: Cross multiply
    110,899.73x = 153,041.45 × 63,153.09
  4. Step 4: Simplify right side
    110,899.73x = 9,665,040,623.46
  5. Step 5: Solve for x
    x = 9,665,040,623.46/110,899.73
  6. Step 6: Final answer
    x = 87,151.17

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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.