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Finding the Fourth Proportional to 92,767.61, 128,019.67 and 50,326.44

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Solution

The fourth proportional to 92,767.61, 128,019.67 and 50,326.44 is: 69,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,767.61 : 128,019.67 = 50,326.44 : x
  2. Step 2: Convert to fraction form
    92,767.61/128,019.67 = 50,326.44/x
  3. Step 3: Cross multiply
    92,767.61x = 128,019.67 × 50,326.44
  4. Step 4: Simplify right side
    92,767.61x = 6,442,774,241.07
  5. Step 5: Solve for x
    x = 6,442,774,241.07/92,767.61
  6. Step 6: Final answer
    x = 69,450.69

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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.