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Finding the Fourth Proportional to 247,783.86, 341,943.12 and 134,606.88

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Solution

The fourth proportional to 247,783.86, 341,943.12 and 134,606.88 is: 185,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,783.86 : 341,943.12 = 134,606.88 : x
  2. Step 2: Convert to fraction form
    247,783.86/341,943.12 = 134,606.88/x
  3. Step 3: Cross multiply
    247,783.86x = 341,943.12 × 134,606.88
  4. Step 4: Simplify right side
    247,783.86x = 46,027,896,520.67
  5. Step 5: Solve for x
    x = 46,027,896,520.67/247,783.86
  6. Step 6: Final answer
    x = 185,758.25

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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.