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Finding the Fourth Proportional to 185,156.48, 277,803.90 and 72,914.95

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Solution

The fourth proportional to 185,156.48, 277,803.90 and 72,914.95 is: 109,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,156.48 : 277,803.90 = 72,914.95 : x
  2. Step 2: Convert to fraction form
    185,156.48/277,803.90 = 72,914.95/x
  3. Step 3: Cross multiply
    185,156.48x = 277,803.90 × 72,914.95
  4. Step 4: Simplify right side
    185,156.48x = 20,256,057,478.31
  5. Step 5: Solve for x
    x = 20,256,057,478.31/185,156.48
  6. Step 6: Final answer
    x = 109,399.67

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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.