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Finding the Fourth Proportional to 277,961.60, 416,942.72 and 67,598.08

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Solution

The fourth proportional to 277,961.60, 416,942.72 and 67,598.08 is: 101,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,961.60 : 416,942.72 = 67,598.08 : x
  2. Step 2: Convert to fraction form
    277,961.60/416,942.72 = 67,598.08/x
  3. Step 3: Cross multiply
    277,961.60x = 416,942.72 × 67,598.08
  4. Step 4: Simplify right side
    277,961.60x = 28,184,527,341.98
  5. Step 5: Solve for x
    x = 28,184,527,341.98/277,961.60
  6. Step 6: Final answer
    x = 101,397.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.