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Finding the Fourth Proportional to 92,895, 128,196.82 and 52,608.64

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Solution

The fourth proportional to 92,895, 128,196.82 and 52,608.64 is: 72,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,895 : 128,196.82 = 52,608.64 : x
  2. Step 2: Convert to fraction form
    92,895/128,196.82 = 52,608.64/x
  3. Step 3: Cross multiply
    92,895x = 128,196.82 × 52,608.64
  4. Step 4: Simplify right side
    92,895x = 6,744,260,352.52
  5. Step 5: Solve for x
    x = 6,744,260,352.52/92,895
  6. Step 6: Final answer
    x = 72,600.90

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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.