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Finding the Fourth Proportional to 177,200.60, 265,800.90 and 161,648.60

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Solution

The fourth proportional to 177,200.60, 265,800.90 and 161,648.60 is: 242,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,200.60 : 265,800.90 = 161,648.60 : x
  2. Step 2: Convert to fraction form
    177,200.60/265,800.90 = 161,648.60/x
  3. Step 3: Cross multiply
    177,200.60x = 265,800.90 × 161,648.60
  4. Step 4: Simplify right side
    177,200.60x = 42,966,343,363.74
  5. Step 5: Solve for x
    x = 42,966,343,363.74/177,200.60
  6. Step 6: Final answer
    x = 242,472.90

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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.