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Finding the Fourth Proportional to 111,959.60, 167,120.24 and 98,673.92

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Solution

The fourth proportional to 111,959.60, 167,120.24 and 98,673.92 is: 147,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,959.60 : 167,120.24 = 98,673.92 : x
  2. Step 2: Convert to fraction form
    111,959.60/167,120.24 = 98,673.92/x
  3. Step 3: Cross multiply
    111,959.60x = 167,120.24 × 98,673.92
  4. Step 4: Simplify right side
    111,959.60x = 16,490,409,192.14
  5. Step 5: Solve for x
    x = 16,490,409,192.14/111,959.60
  6. Step 6: Final answer
    x = 147,288.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.