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Finding the Fourth Proportional to 163,572.67, 245,358.69 and 51,261.49

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Solution

The fourth proportional to 163,572.67, 245,358.69 and 51,261.49 is: 76,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,572.67 : 245,358.69 = 51,261.49 : x
  2. Step 2: Convert to fraction form
    163,572.67/245,358.69 = 51,261.49/x
  3. Step 3: Cross multiply
    163,572.67x = 245,358.69 × 51,261.49
  4. Step 4: Simplify right side
    163,572.67x = 12,577,452,033.85
  5. Step 5: Solve for x
    x = 12,577,452,033.85/163,572.67
  6. Step 6: Final answer
    x = 76,892.14

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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.