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Finding the Fourth Proportional to 251,205.28, 377,127.66 and 162,828.60

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Solution

The fourth proportional to 251,205.28, 377,127.66 and 162,828.60 is: 244,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,205.28 : 377,127.66 = 162,828.60 : x
  2. Step 2: Convert to fraction form
    251,205.28/377,127.66 = 162,828.60/x
  3. Step 3: Cross multiply
    251,205.28x = 377,127.66 × 162,828.60
  4. Step 4: Simplify right side
    251,205.28x = 61,407,168,899.08
  5. Step 5: Solve for x
    x = 61,407,168,899.08/251,205.28
  6. Step 6: Final answer
    x = 244,450.15

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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.