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Finding the Fourth Proportional to 264,555.22, 365,088.87 and 143,698.87

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Solution

The fourth proportional to 264,555.22, 365,088.87 and 143,698.87 is: 198,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,555.22 : 365,088.87 = 143,698.87 : x
  2. Step 2: Convert to fraction form
    264,555.22/365,088.87 = 143,698.87/x
  3. Step 3: Cross multiply
    264,555.22x = 365,088.87 × 143,698.87
  4. Step 4: Simplify right side
    264,555.22x = 52,462,858,068.58
  5. Step 5: Solve for x
    x = 52,462,858,068.58/264,555.22
  6. Step 6: Final answer
    x = 198,305.89

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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.