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Finding the Fourth Proportional to 118,032.56, 177,101.14 and 61,859.30

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Solution

The fourth proportional to 118,032.56, 177,101.14 and 61,859.30 is: 92,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,032.56 : 177,101.14 = 61,859.30 : x
  2. Step 2: Convert to fraction form
    118,032.56/177,101.14 = 61,859.30/x
  3. Step 3: Cross multiply
    118,032.56x = 177,101.14 × 61,859.30
  4. Step 4: Simplify right side
    118,032.56x = 10,955,352,549.60
  5. Step 5: Solve for x
    x = 10,955,352,549.60/118,032.56
  6. Step 6: Final answer
    x = 92,816.36

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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.