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Finding the Fourth Proportional to 122,476.71, 183,715.07 and 38,244.09

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Solution

The fourth proportional to 122,476.71, 183,715.07 and 38,244.09 is: 57,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476.71 : 183,715.07 = 38,244.09 : x
  2. Step 2: Convert to fraction form
    122,476.71/183,715.07 = 38,244.09/x
  3. Step 3: Cross multiply
    122,476.71x = 183,715.07 × 38,244.09
  4. Step 4: Simplify right side
    122,476.71x = 7,026,014,752.86
  5. Step 5: Solve for x
    x = 7,026,014,752.86/122,476.71
  6. Step 6: Final answer
    x = 57,366.13

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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.