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Finding the Fourth Proportional to 247,205.84, 341,144.80 and 134,028.64

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Solution

The fourth proportional to 247,205.84, 341,144.80 and 134,028.64 is: 184,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,205.84 : 341,144.80 = 134,028.64 : x
  2. Step 2: Convert to fraction form
    247,205.84/341,144.80 = 134,028.64/x
  3. Step 3: Cross multiply
    247,205.84x = 341,144.80 × 134,028.64
  4. Step 4: Simplify right side
    247,205.84x = 45,723,173,587.07
  5. Step 5: Solve for x
    x = 45,723,173,587.07/247,205.84
  6. Step 6: Final answer
    x = 184,959.92

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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.