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Finding the Fourth Proportional to 177,999.15, 266,998.73 and 93,643.95

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Solution

The fourth proportional to 177,999.15, 266,998.73 and 93,643.95 is: 140,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,999.15 : 266,998.73 = 93,643.95 : x
  2. Step 2: Convert to fraction form
    177,999.15/266,998.73 = 93,643.95/x
  3. Step 3: Cross multiply
    177,999.15x = 266,998.73 × 93,643.95
  4. Step 4: Simplify right side
    177,999.15x = 25,002,815,253.96
  5. Step 5: Solve for x
    x = 25,002,815,253.96/177,999.15
  6. Step 6: Final answer
    x = 140,465.93

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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.