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Finding the Fourth Proportional to 247,178.47, 370,767.56 and 89,370.02

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Solution

The fourth proportional to 247,178.47, 370,767.56 and 89,370.02 is: 134,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,178.47 : 370,767.56 = 89,370.02 : x
  2. Step 2: Convert to fraction form
    247,178.47/370,767.56 = 89,370.02/x
  3. Step 3: Cross multiply
    247,178.47x = 370,767.56 × 89,370.02
  4. Step 4: Simplify right side
    247,178.47x = 33,135,504,252.55
  5. Step 5: Solve for x
    x = 33,135,504,252.55/247,178.47
  6. Step 6: Final answer
    x = 134,054.98

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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.