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Finding the Fourth Proportional to 534,859.37, 802,282.93 and 130,053.87

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Solution

The fourth proportional to 534,859.37, 802,282.93 and 130,053.87 is: 195,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,859.37 : 802,282.93 = 130,053.87 : x
  2. Step 2: Convert to fraction form
    534,859.37/802,282.93 = 130,053.87/x
  3. Step 3: Cross multiply
    534,859.37x = 802,282.93 × 130,053.87
  4. Step 4: Simplify right side
    534,859.37x = 104,339,999,556.30
  5. Step 5: Solve for x
    x = 104,339,999,556.30/534,859.37
  6. Step 6: Final answer
    x = 195,079.32

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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.