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Finding the Fourth Proportional to 118,296.41, 163,239.23 and 67,295.57

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Solution

The fourth proportional to 118,296.41, 163,239.23 and 67,295.57 is: 92,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,296.41 : 163,239.23 = 67,295.57 : x
  2. Step 2: Convert to fraction form
    118,296.41/163,239.23 = 67,295.57/x
  3. Step 3: Cross multiply
    118,296.41x = 163,239.23 × 67,295.57
  4. Step 4: Simplify right side
    118,296.41x = 10,985,276,381.25
  5. Step 5: Solve for x
    x = 10,985,276,381.25/118,296.41
  6. Step 6: Final answer
    x = 92,862.30

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1.5x scale

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.