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Finding the Fourth Proportional to 204,368.94, 306,602.65 and 64,127.56

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Solution

The fourth proportional to 204,368.94, 306,602.65 and 64,127.56 is: 96,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,368.94 : 306,602.65 = 64,127.56 : x
  2. Step 2: Convert to fraction form
    204,368.94/306,602.65 = 64,127.56/x
  3. Step 3: Cross multiply
    204,368.94x = 306,602.65 × 64,127.56
  4. Step 4: Simplify right side
    204,368.94x = 19,661,679,834.03
  5. Step 5: Solve for x
    x = 19,661,679,834.03/204,368.94
  6. Step 6: Final answer
    x = 96,206.79

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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.