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Finding the Fourth Proportional to 101,961.36, 153,058.68 and 96,129.36

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Solution

The fourth proportional to 101,961.36, 153,058.68 and 96,129.36 is: 144,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,961.36 : 153,058.68 = 96,129.36 : x
  2. Step 2: Convert to fraction form
    101,961.36/153,058.68 = 96,129.36/x
  3. Step 3: Cross multiply
    101,961.36x = 153,058.68 × 96,129.36
  4. Step 4: Simplify right side
    101,961.36x = 14,713,432,950.84
  5. Step 5: Solve for x
    x = 14,713,432,950.84/101,961.36
  6. Step 6: Final answer
    x = 144,304.01

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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.