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Finding the Fourth Proportional to 177,783.20, 266,674.80 and 164,266.40

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Solution

The fourth proportional to 177,783.20, 266,674.80 and 164,266.40 is: 246,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,783.20 : 266,674.80 = 164,266.40 : x
  2. Step 2: Convert to fraction form
    177,783.20/266,674.80 = 164,266.40/x
  3. Step 3: Cross multiply
    177,783.20x = 266,674.80 × 164,266.40
  4. Step 4: Simplify right side
    177,783.20x = 43,805,709,366.72
  5. Step 5: Solve for x
    x = 43,805,709,366.72/177,783.20
  6. Step 6: Final answer
    x = 246,399.60

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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.