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Finding the Fourth Proportional to 189,851.92, 262,001.12 and 104,974.45

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Solution

The fourth proportional to 189,851.92, 262,001.12 and 104,974.45 is: 144,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,851.92 : 262,001.12 = 104,974.45 : x
  2. Step 2: Convert to fraction form
    189,851.92/262,001.12 = 104,974.45/x
  3. Step 3: Cross multiply
    189,851.92x = 262,001.12 × 104,974.45
  4. Step 4: Simplify right side
    189,851.92x = 27,503,422,291.51
  5. Step 5: Solve for x
    x = 27,503,422,291.51/189,851.92
  6. Step 6: Final answer
    x = 144,867.76

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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.