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Finding the Fourth Proportional to 92,894.68, 128,194.61 and 52,608.43

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Solution

The fourth proportional to 92,894.68, 128,194.61 and 52,608.43 is: 72,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,894.68 : 128,194.61 = 52,608.43 : x
  2. Step 2: Convert to fraction form
    92,894.68/128,194.61 = 52,608.43/x
  3. Step 3: Cross multiply
    92,894.68x = 128,194.61 × 52,608.43
  4. Step 4: Simplify right side
    92,894.68x = 6,744,116,262.55
  5. Step 5: Solve for x
    x = 6,744,116,262.55/92,894.68
  6. Step 6: Final answer
    x = 72,599.60

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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.