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Finding the Fourth Proportional to 163,301.70, 244,981.23 and 74,564.19

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Solution

The fourth proportional to 163,301.70, 244,981.23 and 74,564.19 is: 111,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,301.70 : 244,981.23 = 74,564.19 : x
  2. Step 2: Convert to fraction form
    163,301.70/244,981.23 = 74,564.19/x
  3. Step 3: Cross multiply
    163,301.70x = 244,981.23 × 74,564.19
  4. Step 4: Simplify right side
    163,301.70x = 18,266,826,980.15
  5. Step 5: Solve for x
    x = 18,266,826,980.15/163,301.70
  6. Step 6: Final answer
    x = 111,859.38

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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.