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Finding the Fourth Proportional to 270,601.76, 405,802.56 and 93,059.84

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Solution

The fourth proportional to 270,601.76, 405,802.56 and 93,059.84 is: 139,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,601.76 : 405,802.56 = 93,059.84 : x
  2. Step 2: Convert to fraction form
    270,601.76/405,802.56 = 93,059.84/x
  3. Step 3: Cross multiply
    270,601.76x = 405,802.56 × 93,059.84
  4. Step 4: Simplify right side
    270,601.76x = 37,763,921,305.19
  5. Step 5: Solve for x
    x = 37,763,921,305.19/270,601.76
  6. Step 6: Final answer
    x = 139,555.34

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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.