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Finding the Fourth Proportional to 88,377, 121,940.05 and 50,127.41

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Solution

The fourth proportional to 88,377, 121,940.05 and 50,127.41 is: 69,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,377 : 121,940.05 = 50,127.41 : x
  2. Step 2: Convert to fraction form
    88,377/121,940.05 = 50,127.41/x
  3. Step 3: Cross multiply
    88,377x = 121,940.05 × 50,127.41
  4. Step 4: Simplify right side
    88,377x = 6,112,538,881.77
  5. Step 5: Solve for x
    x = 6,112,538,881.77/88,377
  6. Step 6: Final answer
    x = 69,164.36

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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.