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Finding the Fourth Proportional to 177,416.40, 266,124.60 and 159,920.40

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Solution

The fourth proportional to 177,416.40, 266,124.60 and 159,920.40 is: 239,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,416.40 : 266,124.60 = 159,920.40 : x
  2. Step 2: Convert to fraction form
    177,416.40/266,124.60 = 159,920.40/x
  3. Step 3: Cross multiply
    177,416.40x = 266,124.60 × 159,920.40
  4. Step 4: Simplify right side
    177,416.40x = 42,558,752,481.84
  5. Step 5: Solve for x
    x = 42,558,752,481.84/177,416.40
  6. Step 6: Final answer
    x = 239,880.60

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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.