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Finding the Fourth Proportional to 98,512.01, 147,700.52 and 35,330.78

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Solution

The fourth proportional to 98,512.01, 147,700.52 and 35,330.78 is: 52,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,512.01 : 147,700.52 = 35,330.78 : x
  2. Step 2: Convert to fraction form
    98,512.01/147,700.52 = 35,330.78/x
  3. Step 3: Cross multiply
    98,512.01x = 147,700.52 × 35,330.78
  4. Step 4: Simplify right side
    98,512.01x = 5,218,373,662.85
  5. Step 5: Solve for x
    x = 5,218,373,662.85/98,512.01
  6. Step 6: Final answer
    x = 52,971.96

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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.