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Finding the Fourth Proportional to 247,212.56, 370,598.93 and 89,405.93

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Solution

The fourth proportional to 247,212.56, 370,598.93 and 89,405.93 is: 134,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,212.56 : 370,598.93 = 89,405.93 : x
  2. Step 2: Convert to fraction form
    247,212.56/370,598.93 = 89,405.93/x
  3. Step 3: Cross multiply
    247,212.56x = 370,598.93 × 89,405.93
  4. Step 4: Simplify right side
    247,212.56x = 33,133,742,808.39
  5. Step 5: Solve for x
    x = 33,133,742,808.39/247,212.56
  6. Step 6: Final answer
    x = 134,029.37

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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.