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Finding the Fourth Proportional to 204,802.02, 307,218.42 and 64,557

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Solution

The fourth proportional to 204,802.02, 307,218.42 and 64,557 is: 96,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,802.02 : 307,218.42 = 64,557 : x
  2. Step 2: Convert to fraction form
    204,802.02/307,218.42 = 64,557/x
  3. Step 3: Cross multiply
    204,802.02x = 307,218.42 × 64,557
  4. Step 4: Simplify right side
    204,802.02x = 19,833,099,539.94
  5. Step 5: Solve for x
    x = 19,833,099,539.94/204,802.02
  6. Step 6: Final answer
    x = 96,840.35

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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.