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Finding the Fourth Proportional to 92,935.94, 128,252.16 and 50,494.58

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Solution

The fourth proportional to 92,935.94, 128,252.16 and 50,494.58 is: 69,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,935.94 : 128,252.16 = 50,494.58 : x
  2. Step 2: Convert to fraction form
    92,935.94/128,252.16 = 50,494.58/x
  3. Step 3: Cross multiply
    92,935.94x = 128,252.16 × 50,494.58
  4. Step 4: Simplify right side
    92,935.94x = 6,476,038,953.29
  5. Step 5: Solve for x
    x = 6,476,038,953.29/92,935.94
  6. Step 6: Final answer
    x = 69,682.83

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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.