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Finding the Fourth Proportional to 147,776.00, 221,703.17 and 53,015.51

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Solution

The fourth proportional to 147,776.00, 221,703.17 and 53,015.51 is: 79,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,776.00 : 221,703.17 = 53,015.51 : x
  2. Step 2: Convert to fraction form
    147,776.00/221,703.17 = 53,015.51/x
  3. Step 3: Cross multiply
    147,776.00x = 221,703.17 × 53,015.51
  4. Step 4: Simplify right side
    147,776.00x = 11,753,705,252.57
  5. Step 5: Solve for x
    x = 11,753,705,252.57/147,776.00
  6. Step 6: Final answer
    x = 79,537.31

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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.