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Finding the Fourth Proportional to 177,888.06, 266,832.54 and 65,519.64

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Solution

The fourth proportional to 177,888.06, 266,832.54 and 65,519.64 is: 98,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,888.06 : 266,832.54 = 65,519.64 : x
  2. Step 2: Convert to fraction form
    177,888.06/266,832.54 = 65,519.64/x
  3. Step 3: Cross multiply
    177,888.06x = 266,832.54 × 65,519.64
  4. Step 4: Simplify right side
    177,888.06x = 17,482,771,961.09
  5. Step 5: Solve for x
    x = 17,482,771,961.09/177,888.06
  6. Step 6: Final answer
    x = 98,279.63

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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.