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Finding the Fourth Proportional to 151,812.99, 227,429.71 and 85,051.17

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Solution

The fourth proportional to 151,812.99, 227,429.71 and 85,051.17 is: 127,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,812.99 : 227,429.71 = 85,051.17 : x
  2. Step 2: Convert to fraction form
    151,812.99/227,429.71 = 85,051.17/x
  3. Step 3: Cross multiply
    151,812.99x = 227,429.71 × 85,051.17
  4. Step 4: Simplify right side
    151,812.99x = 19,343,163,496.84
  5. Step 5: Solve for x
    x = 19,343,163,496.84/151,812.99
  6. Step 6: Final answer
    x = 127,414.41

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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.