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Finding the Fourth Proportional to 247,212.44, 370,598.74 and 89,405.81

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Solution

The fourth proportional to 247,212.44, 370,598.74 and 89,405.81 is: 134,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,212.44 : 370,598.74 = 89,405.81 : x
  2. Step 2: Convert to fraction form
    247,212.44/370,598.74 = 89,405.81/x
  3. Step 3: Cross multiply
    247,212.44x = 370,598.74 × 89,405.81
  4. Step 4: Simplify right side
    247,212.44x = 33,133,680,534.68
  5. Step 5: Solve for x
    x = 33,133,680,534.68/247,212.44
  6. Step 6: Final answer
    x = 134,029.18

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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.