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Finding the Fourth Proportional to 110,896, 153,036.30 and 63,149.36

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Solution

The fourth proportional to 110,896, 153,036.30 and 63,149.36 is: 87,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,896 : 153,036.30 = 63,149.36 : x
  2. Step 2: Convert to fraction form
    110,896/153,036.30 = 63,149.36/x
  3. Step 3: Cross multiply
    110,896x = 153,036.30 × 63,149.36
  4. Step 4: Simplify right side
    110,896x = 9,664,144,401.77
  5. Step 5: Solve for x
    x = 9,664,144,401.77/110,896
  6. Step 6: Final answer
    x = 87,146.01

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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.