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Finding the Fourth Proportional to 92,767.59, 128,019.51 and 50,326.11

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Solution

The fourth proportional to 92,767.59, 128,019.51 and 50,326.11 is: 69,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,767.59 : 128,019.51 = 50,326.11 : x
  2. Step 2: Convert to fraction form
    92,767.59/128,019.51 = 50,326.11/x
  3. Step 3: Cross multiply
    92,767.59x = 128,019.51 × 50,326.11
  4. Step 4: Simplify right side
    92,767.59x = 6,442,723,942.41
  5. Step 5: Solve for x
    x = 6,442,723,942.41/92,767.59
  6. Step 6: Final answer
    x = 69,450.16

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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.