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Finding the Fourth Proportional to 104,699.71, 156,653.25 and 62,028.05

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Solution

The fourth proportional to 104,699.71, 156,653.25 and 62,028.05 is: 92,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,699.71 : 156,653.25 = 62,028.05 : x
  2. Step 2: Convert to fraction form
    104,699.71/156,653.25 = 62,028.05/x
  3. Step 3: Cross multiply
    104,699.71x = 156,653.25 × 62,028.05
  4. Step 4: Simplify right side
    104,699.71x = 9,716,895,623.66
  5. Step 5: Solve for x
    x = 9,716,895,623.66/104,699.71
  6. Step 6: Final answer
    x = 92,807.28

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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.