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Finding the Fourth Proportional to 163,592.20, 245,388.30 and 144,929.80

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Solution

The fourth proportional to 163,592.20, 245,388.30 and 144,929.80 is: 217,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,592.20 : 245,388.30 = 144,929.80 : x
  2. Step 2: Convert to fraction form
    163,592.20/245,388.30 = 144,929.80/x
  3. Step 3: Cross multiply
    163,592.20x = 245,388.30 × 144,929.80
  4. Step 4: Simplify right side
    163,592.20x = 35,564,077,241.34
  5. Step 5: Solve for x
    x = 35,564,077,241.34/163,592.20
  6. Step 6: Final answer
    x = 217,394.70

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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.