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Finding the Fourth Proportional to 272,187.05, 375,639.15 and 163,295.48

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Solution

The fourth proportional to 272,187.05, 375,639.15 and 163,295.48 is: 225,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,187.05 : 375,639.15 = 163,295.48 : x
  2. Step 2: Convert to fraction form
    272,187.05/375,639.15 = 163,295.48/x
  3. Step 3: Cross multiply
    272,187.05x = 375,639.15 × 163,295.48
  4. Step 4: Simplify right side
    272,187.05x = 61,340,175,306.04
  5. Step 5: Solve for x
    x = 61,340,175,306.04/272,187.05
  6. Step 6: Final answer
    x = 225,360.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.