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Finding the Fourth Proportional to 163,796.49, 245,580.74 and 72,562.34

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Solution

The fourth proportional to 163,796.49, 245,580.74 and 72,562.34 is: 108,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,796.49 : 245,580.74 = 72,562.34 : x
  2. Step 2: Convert to fraction form
    163,796.49/245,580.74 = 72,562.34/x
  3. Step 3: Cross multiply
    163,796.49x = 245,580.74 × 72,562.34
  4. Step 4: Simplify right side
    163,796.49x = 17,819,913,404.47
  5. Step 5: Solve for x
    x = 17,819,913,404.47/163,796.49
  6. Step 6: Final answer
    x = 108,793.01

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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.