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Finding the Fourth Proportional to 202,999.40, 304,507.74 and 62,760.68

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Solution

The fourth proportional to 202,999.40, 304,507.74 and 62,760.68 is: 94,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,999.40 : 304,507.74 = 62,760.68 : x
  2. Step 2: Convert to fraction form
    202,999.40/304,507.74 = 62,760.68/x
  3. Step 3: Cross multiply
    202,999.40x = 304,507.74 × 62,760.68
  4. Step 4: Simplify right side
    202,999.40x = 19,111,112,827.66
  5. Step 5: Solve for x
    x = 19,111,112,827.66/202,999.40
  6. Step 6: Final answer
    x = 94,143.69

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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.