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Finding the Fourth Proportional to 247,738.60, 341,878.80 and 134,561.08

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Solution

The fourth proportional to 247,738.60, 341,878.80 and 134,561.08 is: 185,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,738.60 : 341,878.80 = 134,561.08 : x
  2. Step 2: Convert to fraction form
    247,738.60/341,878.80 = 134,561.08/x
  3. Step 3: Cross multiply
    247,738.60x = 341,878.80 × 134,561.08
  4. Step 4: Simplify right side
    247,738.60x = 46,003,580,557.10
  5. Step 5: Solve for x
    x = 46,003,580,557.10/247,738.60
  6. Step 6: Final answer
    x = 185,694.04

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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.