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Finding the Fourth Proportional to 74,864, 112,314.54 and 22,273.32

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Solution

The fourth proportional to 74,864, 112,314.54 and 22,273.32 is: 33,415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864 : 112,314.54 = 22,273.32 : x
  2. Step 2: Convert to fraction form
    74,864/112,314.54 = 22,273.32/x
  3. Step 3: Cross multiply
    74,864x = 112,314.54 × 22,273.32
  4. Step 4: Simplify right side
    74,864x = 2,501,617,690.07
  5. Step 5: Solve for x
    x = 2,501,617,690.07/74,864
  6. Step 6: Final answer
    x = 33,415.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.