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Finding the Fourth Proportional to 96,695.40, 144,848.70 and 55,093.80

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Solution

The fourth proportional to 96,695.40, 144,848.70 and 55,093.80 is: 82,529.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,695.40 : 144,848.70 = 55,093.80 : x
  2. Step 2: Convert to fraction form
    96,695.40/144,848.70 = 55,093.80/x
  3. Step 3: Cross multiply
    96,695.40x = 144,848.70 × 55,093.80
  4. Step 4: Simplify right side
    96,695.40x = 7,980,265,308.06
  5. Step 5: Solve for x
    x = 7,980,265,308.06/96,695.40
  6. Step 6: Final answer
    x = 82,529.94

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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.