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Finding the Fourth Proportional to 118,045, 162,904.26 and 67,755.88

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Solution

The fourth proportional to 118,045, 162,904.26 and 67,755.88 is: 93,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045 : 162,904.26 = 67,755.88 : x
  2. Step 2: Convert to fraction form
    118,045/162,904.26 = 67,755.88/x
  3. Step 3: Cross multiply
    118,045x = 162,904.26 × 67,755.88
  4. Step 4: Simplify right side
    118,045x = 11,037,721,492.05
  5. Step 5: Solve for x
    x = 11,037,721,492.05/118,045
  6. Step 6: Final answer
    x = 93,504.35

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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.