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Finding the Fourth Proportional to 117,483.94, 162,127.95 and 63,768.94

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Solution

The fourth proportional to 117,483.94, 162,127.95 and 63,768.94 is: 88,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,483.94 : 162,127.95 = 63,768.94 : x
  2. Step 2: Convert to fraction form
    117,483.94/162,127.95 = 63,768.94/x
  3. Step 3: Cross multiply
    117,483.94x = 162,127.95 × 63,768.94
  4. Step 4: Simplify right side
    117,483.94x = 10,338,727,515.87
  5. Step 5: Solve for x
    x = 10,338,727,515.87/117,483.94
  6. Step 6: Final answer
    x = 88,001.20

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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.