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Finding the Fourth Proportional to 118,535.34, 163,594.05 and 67,566.66

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Solution

The fourth proportional to 118,535.34, 163,594.05 and 67,566.66 is: 93,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,535.34 : 163,594.05 = 67,566.66 : x
  2. Step 2: Convert to fraction form
    118,535.34/163,594.05 = 67,566.66/x
  3. Step 3: Cross multiply
    118,535.34x = 163,594.05 × 67,566.66
  4. Step 4: Simplify right side
    118,535.34x = 11,053,503,554.37
  5. Step 5: Solve for x
    x = 11,053,503,554.37/118,535.34
  6. Step 6: Final answer
    x = 93,250.70

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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.