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Finding the Fourth Proportional to 264,140.60, 396,210.86 and 123,899.22

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Solution

The fourth proportional to 264,140.60, 396,210.86 and 123,899.22 is: 185,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,140.60 : 396,210.86 = 123,899.22 : x
  2. Step 2: Convert to fraction form
    264,140.60/396,210.86 = 123,899.22/x
  3. Step 3: Cross multiply
    264,140.60x = 396,210.86 × 123,899.22
  4. Step 4: Simplify right side
    264,140.60x = 49,090,216,354.66
  5. Step 5: Solve for x
    x = 49,090,216,354.66/264,140.60
  6. Step 6: Final answer
    x = 185,848.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.