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Finding the Fourth Proportional to 163,089.39, 225,070.94 and 101,871.83

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Solution

The fourth proportional to 163,089.39, 225,070.94 and 101,871.83 is: 140,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,089.39 : 225,070.94 = 101,871.83 : x
  2. Step 2: Convert to fraction form
    163,089.39/225,070.94 = 101,871.83/x
  3. Step 3: Cross multiply
    163,089.39x = 225,070.94 × 101,871.83
  4. Step 4: Simplify right side
    163,089.39x = 22,928,388,590.94
  5. Step 5: Solve for x
    x = 22,928,388,590.94/163,089.39
  6. Step 6: Final answer
    x = 140,587.86

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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.