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Finding the Fourth Proportional to 183,187.72, 274,786.98 and 156,364.59

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Solution

The fourth proportional to 183,187.72, 274,786.98 and 156,364.59 is: 234,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,187.72 : 274,786.98 = 156,364.59 : x
  2. Step 2: Convert to fraction form
    183,187.72/274,786.98 = 156,364.59/x
  3. Step 3: Cross multiply
    183,187.72x = 274,786.98 × 156,364.59
  4. Step 4: Simplify right side
    183,187.72x = 42,966,953,465.04
  5. Step 5: Solve for x
    x = 42,966,953,465.04/183,187.72
  6. Step 6: Final answer
    x = 234,551.49

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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.