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Finding the Fourth Proportional to 247,783.34, 341,939.12 and 134,606.90

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Solution

The fourth proportional to 247,783.34, 341,939.12 and 134,606.90 is: 185,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,783.34 : 341,939.12 = 134,606.90 : x
  2. Step 2: Convert to fraction form
    247,783.34/341,939.12 = 134,606.90/x
  3. Step 3: Cross multiply
    247,783.34x = 341,939.12 × 134,606.90
  4. Step 4: Simplify right side
    247,783.34x = 46,027,364,931.93
  5. Step 5: Solve for x
    x = 46,027,364,931.93/247,783.34
  6. Step 6: Final answer
    x = 185,756.50

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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.