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Finding the Fourth Proportional to 88,448.39, 132,670.95 and 21,888.53

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Solution

The fourth proportional to 88,448.39, 132,670.95 and 21,888.53 is: 32,832.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,448.39 : 132,670.95 = 21,888.53 : x
  2. Step 2: Convert to fraction form
    88,448.39/132,670.95 = 21,888.53/x
  3. Step 3: Cross multiply
    88,448.39x = 132,670.95 × 21,888.53
  4. Step 4: Simplify right side
    88,448.39x = 2,903,971,821.28
  5. Step 5: Solve for x
    x = 2,903,971,821.28/88,448.39
  6. Step 6: Final answer
    x = 32,832.39

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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.