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Finding the Fourth Proportional to 159,685.99, 239,569.27 and 53,070.51

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Solution

The fourth proportional to 159,685.99, 239,569.27 and 53,070.51 is: 79,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,685.99 : 239,569.27 = 53,070.51 : x
  2. Step 2: Convert to fraction form
    159,685.99/239,569.27 = 53,070.51/x
  3. Step 3: Cross multiply
    159,685.99x = 239,569.27 × 53,070.51
  4. Step 4: Simplify right side
    159,685.99x = 12,714,062,757.36
  5. Step 5: Solve for x
    x = 12,714,062,757.36/159,685.99
  6. Step 6: Final answer
    x = 79,619.15

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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.