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Finding the Fourth Proportional to 181,953.40, 251,114.34 and 101,394.04

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Solution

The fourth proportional to 181,953.40, 251,114.34 and 101,394.04 is: 139,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,953.40 : 251,114.34 = 101,394.04 : x
  2. Step 2: Convert to fraction form
    181,953.40/251,114.34 = 101,394.04/x
  3. Step 3: Cross multiply
    181,953.40x = 251,114.34 × 101,394.04
  4. Step 4: Simplify right side
    181,953.40x = 25,461,497,434.53
  5. Step 5: Solve for x
    x = 25,461,497,434.53/181,953.40
  6. Step 6: Final answer
    x = 139,934.17

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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.