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Finding the Fourth Proportional to 177,842.60, 266,672.70 and 53,167.40

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Solution

The fourth proportional to 177,842.60, 266,672.70 and 53,167.40 is: 79,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,842.60 : 266,672.70 = 53,167.40 : x
  2. Step 2: Convert to fraction form
    177,842.60/266,672.70 = 53,167.40/x
  3. Step 3: Cross multiply
    177,842.60x = 266,672.70 × 53,167.40
  4. Step 4: Simplify right side
    177,842.60x = 14,178,294,109.98
  5. Step 5: Solve for x
    x = 14,178,294,109.98/177,842.60
  6. Step 6: Final answer
    x = 79,723.84

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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.