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Finding the Fourth Proportional to 177,777.06, 266,665.60 and 53,118.06

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Solution

The fourth proportional to 177,777.06, 266,665.60 and 53,118.06 is: 79,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,777.06 : 266,665.60 = 53,118.06 : x
  2. Step 2: Convert to fraction form
    177,777.06/266,665.60 = 53,118.06/x
  3. Step 3: Cross multiply
    177,777.06x = 266,665.60 × 53,118.06
  4. Step 4: Simplify right side
    177,777.06x = 14,164,759,340.74
  5. Step 5: Solve for x
    x = 14,164,759,340.74/177,777.06
  6. Step 6: Final answer
    x = 79,677.09

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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.