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Finding the Fourth Proportional to 177,693.80, 266,195.10 and 107,364.20

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Solution

The fourth proportional to 177,693.80, 266,195.10 and 107,364.20 is: 160,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,693.80 : 266,195.10 = 107,364.20 : x
  2. Step 2: Convert to fraction form
    177,693.80/266,195.10 = 107,364.20/x
  3. Step 3: Cross multiply
    177,693.80x = 266,195.10 × 107,364.20
  4. Step 4: Simplify right side
    177,693.80x = 28,579,823,955.42
  5. Step 5: Solve for x
    x = 28,579,823,955.42/177,693.80
  6. Step 6: Final answer
    x = 160,837.49

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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.