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Finding the Fourth Proportional to 110,894.97, 153,036.54 and 63,148.51

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Solution

The fourth proportional to 110,894.97, 153,036.54 and 63,148.51 is: 87,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,894.97 : 153,036.54 = 63,148.51 : x
  2. Step 2: Convert to fraction form
    110,894.97/153,036.54 = 63,148.51/x
  3. Step 3: Cross multiply
    110,894.97x = 153,036.54 × 63,148.51
  4. Step 4: Simplify right side
    110,894.97x = 9,664,029,667.85
  5. Step 5: Solve for x
    x = 9,664,029,667.85/110,894.97
  6. Step 6: Final answer
    x = 87,145.79

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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.