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Finding the Fourth Proportional to 247,108.28, 341,009.26 and 133,931.12

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Solution

The fourth proportional to 247,108.28, 341,009.26 and 133,931.12 is: 184,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,108.28 : 341,009.26 = 133,931.12 : x
  2. Step 2: Convert to fraction form
    247,108.28/341,009.26 = 133,931.12/x
  3. Step 3: Cross multiply
    247,108.28x = 341,009.26 × 133,931.12
  4. Step 4: Simplify right side
    247,108.28x = 45,671,750,082.30
  5. Step 5: Solve for x
    x = 45,671,750,082.30/247,108.28
  6. Step 6: Final answer
    x = 184,824.85

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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.