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Finding the Fourth Proportional to 56,159.66, 84,239.15 and 14,039.54

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Solution

The fourth proportional to 56,159.66, 84,239.15 and 14,039.54 is: 21,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,159.66 : 84,239.15 = 14,039.54 : x
  2. Step 2: Convert to fraction form
    56,159.66/84,239.15 = 14,039.54/x
  3. Step 3: Cross multiply
    56,159.66x = 84,239.15 × 14,039.54
  4. Step 4: Simplify right side
    56,159.66x = 1,182,678,915.99
  5. Step 5: Solve for x
    x = 1,182,678,915.99/56,159.66
  6. Step 6: Final answer
    x = 21,059.23

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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.