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Finding the Fourth Proportional to 176,172.80, 264,259.20 and 161,657.60

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Solution

The fourth proportional to 176,172.80, 264,259.20 and 161,657.60 is: 242,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,172.80 : 264,259.20 = 161,657.60 : x
  2. Step 2: Convert to fraction form
    176,172.80/264,259.20 = 161,657.60/x
  3. Step 3: Cross multiply
    176,172.80x = 264,259.20 × 161,657.60
  4. Step 4: Simplify right side
    176,172.80x = 42,719,508,049.92
  5. Step 5: Solve for x
    x = 42,719,508,049.92/176,172.80
  6. Step 6: Final answer
    x = 242,486.40

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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.