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Finding the Fourth Proportional to 199,172.67, 298,541.65 and 98,040.32

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Solution

The fourth proportional to 199,172.67, 298,541.65 and 98,040.32 is: 146,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,172.67 : 298,541.65 = 98,040.32 : x
  2. Step 2: Convert to fraction form
    199,172.67/298,541.65 = 98,040.32/x
  3. Step 3: Cross multiply
    199,172.67x = 298,541.65 × 98,040.32
  4. Step 4: Simplify right side
    199,172.67x = 29,269,120,144.17
  5. Step 5: Solve for x
    x = 29,269,120,144.17/199,172.67
  6. Step 6: Final answer
    x = 146,953.49

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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.