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Finding the Fourth Proportional to 72,503.48, 108,763.32 and 22,575.08

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Solution

The fourth proportional to 72,503.48, 108,763.32 and 22,575.08 is: 33,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,503.48 : 108,763.32 = 22,575.08 : x
  2. Step 2: Convert to fraction form
    72,503.48/108,763.32 = 22,575.08/x
  3. Step 3: Cross multiply
    72,503.48x = 108,763.32 × 22,575.08
  4. Step 4: Simplify right side
    72,503.48x = 2,455,340,650.07
  5. Step 5: Solve for x
    x = 2,455,340,650.07/72,503.48
  6. Step 6: Final answer
    x = 33,865.14

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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.