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Finding the Fourth Proportional to 92,934.83, 128,245.88 and 52,647.77

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Solution

The fourth proportional to 92,934.83, 128,245.88 and 52,647.77 is: 72,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934.83 : 128,245.88 = 52,647.77 : x
  2. Step 2: Convert to fraction form
    92,934.83/128,245.88 = 52,647.77/x
  3. Step 3: Cross multiply
    92,934.83x = 128,245.88 × 52,647.77
  4. Step 4: Simplify right side
    92,934.83x = 6,751,859,112.77
  5. Step 5: Solve for x
    x = 6,751,859,112.77/92,934.83
  6. Step 6: Final answer
    x = 72,651.55

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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.