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Finding the Fourth Proportional to 118,095.68, 177,144.16 and 34,990.40

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Solution

The fourth proportional to 118,095.68, 177,144.16 and 34,990.40 is: 52,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,095.68 : 177,144.16 = 34,990.40 : x
  2. Step 2: Convert to fraction form
    118,095.68/177,144.16 = 34,990.40/x
  3. Step 3: Cross multiply
    118,095.68x = 177,144.16 × 34,990.40
  4. Step 4: Simplify right side
    118,095.68x = 6,198,345,016.06
  5. Step 5: Solve for x
    x = 6,198,345,016.06/118,095.68
  6. Step 6: Final answer
    x = 52,485.79

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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.