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Finding the Fourth Proportional to 168,047.90, 231,903.50 and 92,599.10

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Solution

The fourth proportional to 168,047.90, 231,903.50 and 92,599.10 is: 127,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,047.90 : 231,903.50 = 92,599.10 : x
  2. Step 2: Convert to fraction form
    168,047.90/231,903.50 = 92,599.10/x
  3. Step 3: Cross multiply
    168,047.90x = 231,903.50 × 92,599.10
  4. Step 4: Simplify right side
    168,047.90x = 21,474,055,386.85
  5. Step 5: Solve for x
    x = 21,474,055,386.85/168,047.90
  6. Step 6: Final answer
    x = 127,785.32

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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.