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Finding the Fourth Proportional to 164,392.68, 226,865.52 and 90,804.92

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Solution

The fourth proportional to 164,392.68, 226,865.52 and 90,804.92 is: 125,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,392.68 : 226,865.52 = 90,804.92 : x
  2. Step 2: Convert to fraction form
    164,392.68/226,865.52 = 90,804.92/x
  3. Step 3: Cross multiply
    164,392.68x = 226,865.52 × 90,804.92
  4. Step 4: Simplify right side
    164,392.68x = 20,600,505,394.36
  5. Step 5: Solve for x
    x = 20,600,505,394.36/164,392.68
  6. Step 6: Final answer
    x = 125,312.79

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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.