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Finding the Fourth Proportional to 92,881.44, 128,175.48 and 50,437.44

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Solution

The fourth proportional to 92,881.44, 128,175.48 and 50,437.44 is: 69,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,881.44 : 128,175.48 = 50,437.44 : x
  2. Step 2: Convert to fraction form
    92,881.44/128,175.48 = 50,437.44/x
  3. Step 3: Cross multiply
    92,881.44x = 128,175.48 × 50,437.44
  4. Step 4: Simplify right side
    92,881.44x = 6,464,843,081.97
  5. Step 5: Solve for x
    x = 6,464,843,081.97/92,881.44
  6. Step 6: Final answer
    x = 69,603.17

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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.