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Finding the Fourth Proportional to 274,465.99, 411,536.31 and 84,870.24

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Solution

The fourth proportional to 274,465.99, 411,536.31 and 84,870.24 is: 127,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,465.99 : 411,536.31 = 84,870.24 : x
  2. Step 2: Convert to fraction form
    274,465.99/411,536.31 = 84,870.24/x
  3. Step 3: Cross multiply
    274,465.99x = 411,536.31 × 84,870.24
  4. Step 4: Simplify right side
    274,465.99x = 34,927,185,398.41
  5. Step 5: Solve for x
    x = 34,927,185,398.41/274,465.99
  6. Step 6: Final answer
    x = 127,255.06

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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.