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Finding the Fourth Proportional to 163,362.34, 245,057.46 and 45,033.76

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Solution

The fourth proportional to 163,362.34, 245,057.46 and 45,033.76 is: 67,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,362.34 : 245,057.46 = 45,033.76 : x
  2. Step 2: Convert to fraction form
    163,362.34/245,057.46 = 45,033.76/x
  3. Step 3: Cross multiply
    163,362.34x = 245,057.46 × 45,033.76
  4. Step 4: Simplify right side
    163,362.34x = 11,035,858,839.85
  5. Step 5: Solve for x
    x = 11,035,858,839.85/163,362.34
  6. Step 6: Final answer
    x = 67,554.49

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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.