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Finding the Fourth Proportional to 247,374.86, 341,376.60 and 134,197.64

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Solution

The fourth proportional to 247,374.86, 341,376.60 and 134,197.64 is: 185,192.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,374.86 : 341,376.60 = 134,197.64 : x
  2. Step 2: Convert to fraction form
    247,374.86/341,376.60 = 134,197.64/x
  3. Step 3: Cross multiply
    247,374.86x = 341,376.60 × 134,197.64
  4. Step 4: Simplify right side
    247,374.86x = 45,811,934,071.22
  5. Step 5: Solve for x
    x = 45,811,934,071.22/247,374.86
  6. Step 6: Final answer
    x = 185,192.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.