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Finding the Fourth Proportional to 118,032.58, 177,101.20 and 61,859.34

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Solution

The fourth proportional to 118,032.58, 177,101.20 and 61,859.34 is: 92,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,032.58 : 177,101.20 = 61,859.34 : x
  2. Step 2: Convert to fraction form
    118,032.58/177,101.20 = 61,859.34/x
  3. Step 3: Cross multiply
    118,032.58x = 177,101.20 × 61,859.34
  4. Step 4: Simplify right side
    118,032.58x = 10,955,363,345.21
  5. Step 5: Solve for x
    x = 10,955,363,345.21/118,032.58
  6. Step 6: Final answer
    x = 92,816.44

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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.