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Finding the Fourth Proportional to 88,782.40, 133,224.09 and 32,615.29

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Solution

The fourth proportional to 88,782.40, 133,224.09 and 32,615.29 is: 48,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,782.40 : 133,224.09 = 32,615.29 : x
  2. Step 2: Convert to fraction form
    88,782.40/133,224.09 = 32,615.29/x
  3. Step 3: Cross multiply
    88,782.40x = 133,224.09 × 32,615.29
  4. Step 4: Simplify right side
    88,782.40x = 4,345,142,330.34
  5. Step 5: Solve for x
    x = 4,345,142,330.34/88,782.40
  6. Step 6: Final answer
    x = 48,941.48

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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.