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Finding the Fourth Proportional to 183,638.25, 275,503.70 and 88,913.81

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Solution

The fourth proportional to 183,638.25, 275,503.70 and 88,913.81 is: 133,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,638.25 : 275,503.70 = 88,913.81 : x
  2. Step 2: Convert to fraction form
    183,638.25/275,503.70 = 88,913.81/x
  3. Step 3: Cross multiply
    183,638.25x = 275,503.70 × 88,913.81
  4. Step 4: Simplify right side
    183,638.25x = 24,496,081,814.01
  5. Step 5: Solve for x
    x = 24,496,081,814.01/183,638.25
  6. Step 6: Final answer
    x = 133,393.13

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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.