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Finding the Fourth Proportional to 205,762.46, 308,673.26 and 63,618.82

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Solution

The fourth proportional to 205,762.46, 308,673.26 and 63,618.82 is: 95,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,762.46 : 308,673.26 = 63,618.82 : x
  2. Step 2: Convert to fraction form
    205,762.46/308,673.26 = 63,618.82/x
  3. Step 3: Cross multiply
    205,762.46x = 308,673.26 × 63,618.82
  4. Step 4: Simplify right side
    205,762.46x = 19,637,429,809.69
  5. Step 5: Solve for x
    x = 19,637,429,809.69/205,762.46
  6. Step 6: Final answer
    x = 95,437.38

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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.