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Finding the Fourth Proportional to 118,354.22, 163,329.86 and 67,370.24

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Solution

The fourth proportional to 118,354.22, 163,329.86 and 67,370.24 is: 92,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,354.22 : 163,329.86 = 67,370.24 : x
  2. Step 2: Convert to fraction form
    118,354.22/163,329.86 = 67,370.24/x
  3. Step 3: Cross multiply
    118,354.22x = 163,329.86 × 67,370.24
  4. Step 4: Simplify right side
    118,354.22x = 11,003,570,713.87
  5. Step 5: Solve for x
    x = 11,003,570,713.87/118,354.22
  6. Step 6: Final answer
    x = 92,971.52

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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.