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Finding the Fourth Proportional to 247,798.74, 341,969.27 and 140,368.74

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Solution

The fourth proportional to 247,798.74, 341,969.27 and 140,368.74 is: 193,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,798.74 : 341,969.27 = 140,368.74 : x
  2. Step 2: Convert to fraction form
    247,798.74/341,969.27 = 140,368.74/x
  3. Step 3: Cross multiply
    247,798.74x = 341,969.27 × 140,368.74
  4. Step 4: Simplify right side
    247,798.74x = 48,001,795,548.62
  5. Step 5: Solve for x
    x = 48,001,795,548.62/247,798.74
  6. Step 6: Final answer
    x = 193,712.83

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1.5x scale

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.