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Finding the Fourth Proportional to 100,943.40, 151,368.97 and 37,717.16

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Solution

The fourth proportional to 100,943.40, 151,368.97 and 37,717.16 is: 56,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,943.40 : 151,368.97 = 37,717.16 : x
  2. Step 2: Convert to fraction form
    100,943.40/151,368.97 = 37,717.16/x
  3. Step 3: Cross multiply
    100,943.40x = 151,368.97 × 37,717.16
  4. Step 4: Simplify right side
    100,943.40x = 5,709,206,715.09
  5. Step 5: Solve for x
    x = 5,709,206,715.09/100,943.40
  6. Step 6: Final answer
    x = 56,558.49

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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.