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Finding the Fourth Proportional to 98,395.56, 148,251.43 and 89,045.48

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Solution

The fourth proportional to 98,395.56, 148,251.43 and 89,045.48 is: 134,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,395.56 : 148,251.43 = 89,045.48 : x
  2. Step 2: Convert to fraction form
    98,395.56/148,251.43 = 89,045.48/x
  3. Step 3: Cross multiply
    98,395.56x = 148,251.43 × 89,045.48
  4. Step 4: Simplify right side
    98,395.56x = 13,201,119,745.04
  5. Step 5: Solve for x
    x = 13,201,119,745.04/98,395.56
  6. Step 6: Final answer
    x = 134,163.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.