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Finding the Fourth Proportional to 177,365.87, 266,065.20 and 70,724.10

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Solution

The fourth proportional to 177,365.87, 266,065.20 and 70,724.10 is: 106,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,365.87 : 266,065.20 = 70,724.10 : x
  2. Step 2: Convert to fraction form
    177,365.87/266,065.20 = 70,724.10/x
  3. Step 3: Cross multiply
    177,365.87x = 266,065.20 × 70,724.10
  4. Step 4: Simplify right side
    177,365.87x = 18,817,221,811.32
  5. Step 5: Solve for x
    x = 18,817,221,811.32/177,365.87
  6. Step 6: Final answer
    x = 106,092.69

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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.