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Finding the Fourth Proportional to 75,772.69, 113,659.04 and 75,663.34

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Solution

The fourth proportional to 75,772.69, 113,659.04 and 75,663.34 is: 113,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,772.69 : 113,659.04 = 75,663.34 : x
  2. Step 2: Convert to fraction form
    75,772.69/113,659.04 = 75,663.34/x
  3. Step 3: Cross multiply
    75,772.69x = 113,659.04 × 75,663.34
  4. Step 4: Simplify right side
    75,772.69x = 8,599,822,587.59
  5. Step 5: Solve for x
    x = 8,599,822,587.59/75,772.69
  6. Step 6: Final answer
    x = 113,495.01

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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.