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Finding the Fourth Proportional to 177,798.60, 266,697.90 and 133,734.60

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Solution

The fourth proportional to 177,798.60, 266,697.90 and 133,734.60 is: 200,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,798.60 : 266,697.90 = 133,734.60 : x
  2. Step 2: Convert to fraction form
    177,798.60/266,697.90 = 133,734.60/x
  3. Step 3: Cross multiply
    177,798.60x = 266,697.90 × 133,734.60
  4. Step 4: Simplify right side
    177,798.60x = 35,666,736,977.34
  5. Step 5: Solve for x
    x = 35,666,736,977.34/177,798.60
  6. Step 6: Final answer
    x = 200,601.90

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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.