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Finding the Fourth Proportional to 92,897.80, 128,194.66 and 52,611.85

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Solution

The fourth proportional to 92,897.80, 128,194.66 and 52,611.85 is: 72,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,897.80 : 128,194.66 = 52,611.85 : x
  2. Step 2: Convert to fraction form
    92,897.80/128,194.66 = 52,611.85/x
  3. Step 3: Cross multiply
    92,897.80x = 128,194.66 × 52,611.85
  4. Step 4: Simplify right side
    92,897.80x = 6,744,558,222.72
  5. Step 5: Solve for x
    x = 6,744,558,222.72/92,897.80
  6. Step 6: Final answer
    x = 72,601.92

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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.