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Finding the Fourth Proportional to 92,934.42, 128,245.32 and 52,647.36

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Solution

The fourth proportional to 92,934.42, 128,245.32 and 52,647.36 is: 72,650.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934.42 : 128,245.32 = 52,647.36 : x
  2. Step 2: Convert to fraction form
    92,934.42/128,245.32 = 52,647.36/x
  3. Step 3: Cross multiply
    92,934.42x = 128,245.32 × 52,647.36
  4. Step 4: Simplify right side
    92,934.42x = 6,751,777,530.36
  5. Step 5: Solve for x
    x = 6,751,777,530.36/92,934.42
  6. Step 6: Final answer
    x = 72,650.99

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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.