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Finding the Fourth Proportional to 177,587.89, 266,215.76 and 65,237.94

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Solution

The fourth proportional to 177,587.89, 266,215.76 and 65,237.94 is: 97,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,587.89 : 266,215.76 = 65,237.94 : x
  2. Step 2: Convert to fraction form
    177,587.89/266,215.76 = 65,237.94/x
  3. Step 3: Cross multiply
    177,587.89x = 266,215.76 × 65,237.94
  4. Step 4: Simplify right side
    177,587.89x = 17,367,368,939.34
  5. Step 5: Solve for x
    x = 17,367,368,939.34/177,587.89
  6. Step 6: Final answer
    x = 97,795.91

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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.