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Finding the Fourth Proportional to 177,124.20, 265,815.90 and 117,940.20

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Solution

The fourth proportional to 177,124.20, 265,815.90 and 117,940.20 is: 176,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,124.20 : 265,815.90 = 117,940.20 : x
  2. Step 2: Convert to fraction form
    177,124.20/265,815.90 = 117,940.20/x
  3. Step 3: Cross multiply
    177,124.20x = 265,815.90 × 117,940.20
  4. Step 4: Simplify right side
    177,124.20x = 31,350,380,409.18
  5. Step 5: Solve for x
    x = 31,350,380,409.18/177,124.20
  6. Step 6: Final answer
    x = 176,996.60

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1.5x scale

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.