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Finding the Fourth Proportional to 147,367.77, 220,894.26 and 84,051.54

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Solution

The fourth proportional to 147,367.77, 220,894.26 and 84,051.54 is: 125,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,367.77 : 220,894.26 = 84,051.54 : x
  2. Step 2: Convert to fraction form
    147,367.77/220,894.26 = 84,051.54/x
  3. Step 3: Cross multiply
    147,367.77x = 220,894.26 × 84,051.54
  4. Step 4: Simplify right side
    147,367.77x = 18,566,502,730.16
  5. Step 5: Solve for x
    x = 18,566,502,730.16/147,367.77
  6. Step 6: Final answer
    x = 125,987.54

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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.