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Finding the Fourth Proportional to 98,955.11, 148,203.03 and 98,217.61

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Solution

The fourth proportional to 98,955.11, 148,203.03 and 98,217.61 is: 147,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,955.11 : 148,203.03 = 98,217.61 : x
  2. Step 2: Convert to fraction form
    98,955.11/148,203.03 = 98,217.61/x
  3. Step 3: Cross multiply
    98,955.11x = 148,203.03 × 98,217.61
  4. Step 4: Simplify right side
    98,955.11x = 14,556,147,401.36
  5. Step 5: Solve for x
    x = 14,556,147,401.36/98,955.11
  6. Step 6: Final answer
    x = 147,098.49

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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.