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Finding the Fourth Proportional to 206,904.93, 310,358.40 and 62,812.01

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Solution

The fourth proportional to 206,904.93, 310,358.40 and 62,812.01 is: 94,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,904.93 : 310,358.40 = 62,812.01 : x
  2. Step 2: Convert to fraction form
    206,904.93/310,358.40 = 62,812.01/x
  3. Step 3: Cross multiply
    206,904.93x = 310,358.40 × 62,812.01
  4. Step 4: Simplify right side
    206,904.93x = 19,494,233,372.59
  5. Step 5: Solve for x
    x = 19,494,233,372.59/206,904.93
  6. Step 6: Final answer
    x = 94,218.31

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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.