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Finding the Fourth Proportional to 163,516.80, 244,929.60 and 146,006.40

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Solution

The fourth proportional to 163,516.80, 244,929.60 and 146,006.40 is: 218,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,516.80 : 244,929.60 = 146,006.40 : x
  2. Step 2: Convert to fraction form
    163,516.80/244,929.60 = 146,006.40/x
  3. Step 3: Cross multiply
    163,516.80x = 244,929.60 × 146,006.40
  4. Step 4: Simplify right side
    163,516.80x = 35,761,289,149.44
  5. Step 5: Solve for x
    x = 35,761,289,149.44/163,516.80
  6. Step 6: Final answer
    x = 218,701.01

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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.