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Finding the Fourth Proportional to 104,700.23, 144,453.71 and 59,374.65

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Solution

The fourth proportional to 104,700.23, 144,453.71 and 59,374.65 is: 81,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,700.23 : 144,453.71 = 59,374.65 : x
  2. Step 2: Convert to fraction form
    104,700.23/144,453.71 = 59,374.65/x
  3. Step 3: Cross multiply
    104,700.23x = 144,453.71 × 59,374.65
  4. Step 4: Simplify right side
    104,700.23x = 8,576,889,162.59
  5. Step 5: Solve for x
    x = 8,576,889,162.59/104,700.23
  6. Step 6: Final answer
    x = 81,918.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.