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Finding the Fourth Proportional to 72,595.22, 108,888.95 and 22,669.60

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Solution

The fourth proportional to 72,595.22, 108,888.95 and 22,669.60 is: 34,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,595.22 : 108,888.95 = 22,669.60 : x
  2. Step 2: Convert to fraction form
    72,595.22/108,888.95 = 22,669.60/x
  3. Step 3: Cross multiply
    72,595.22x = 108,888.95 × 22,669.60
  4. Step 4: Simplify right side
    72,595.22x = 2,468,468,555.35
  5. Step 5: Solve for x
    x = 2,468,468,555.35/72,595.22
  6. Step 6: Final answer
    x = 34,003.19

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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.