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Finding the Fourth Proportional to 98,822.45, 136,375.22 and 53,500.93

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Solution

The fourth proportional to 98,822.45, 136,375.22 and 53,500.93 is: 73,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,822.45 : 136,375.22 = 53,500.93 : x
  2. Step 2: Convert to fraction form
    98,822.45/136,375.22 = 53,500.93/x
  3. Step 3: Cross multiply
    98,822.45x = 136,375.22 × 53,500.93
  4. Step 4: Simplify right side
    98,822.45x = 7,296,200,891.77
  5. Step 5: Solve for x
    x = 7,296,200,891.77/98,822.45
  6. Step 6: Final answer
    x = 73,831.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.