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Finding the Fourth Proportional to 247,272.22, 370,954.44 and 112,345.74

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Solution

The fourth proportional to 247,272.22, 370,954.44 and 112,345.74 is: 168,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,272.22 : 370,954.44 = 112,345.74 : x
  2. Step 2: Convert to fraction form
    247,272.22/370,954.44 = 112,345.74/x
  3. Step 3: Cross multiply
    247,272.22x = 370,954.44 × 112,345.74
  4. Step 4: Simplify right side
    247,272.22x = 41,675,151,068.09
  5. Step 5: Solve for x
    x = 41,675,151,068.09/247,272.22
  6. Step 6: Final answer
    x = 168,539.56

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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.