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Finding the Fourth Proportional to 88,810.80, 133,225.17 and 28,836.77

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Solution

The fourth proportional to 88,810.80, 133,225.17 and 28,836.77 is: 43,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,810.80 : 133,225.17 = 28,836.77 : x
  2. Step 2: Convert to fraction form
    88,810.80/133,225.17 = 28,836.77/x
  3. Step 3: Cross multiply
    88,810.80x = 133,225.17 × 28,836.77
  4. Step 4: Simplify right side
    88,810.80x = 3,841,783,788.53
  5. Step 5: Solve for x
    x = 3,841,783,788.53/88,810.80
  6. Step 6: Final answer
    x = 43,258.07

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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.