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Finding the Fourth Proportional to 265,550.65, 366,455.25 and 144,692.93

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Solution

The fourth proportional to 265,550.65, 366,455.25 and 144,692.93 is: 199,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,550.65 : 366,455.25 = 144,692.93 : x
  2. Step 2: Convert to fraction form
    265,550.65/366,455.25 = 144,692.93/x
  3. Step 3: Cross multiply
    265,550.65x = 366,455.25 × 144,692.93
  4. Step 4: Simplify right side
    265,550.65x = 53,023,484,752.52
  5. Step 5: Solve for x
    x = 53,023,484,752.52/265,550.65
  6. Step 6: Final answer
    x = 199,673.72

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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.