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Finding the Fourth Proportional to 74,866, 112,317.54 and 22,275.32

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Solution

The fourth proportional to 74,866, 112,317.54 and 22,275.32 is: 33,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,866 : 112,317.54 = 22,275.32 : x
  2. Step 2: Convert to fraction form
    74,866/112,317.54 = 22,275.32/x
  3. Step 3: Cross multiply
    74,866x = 112,317.54 × 22,275.32
  4. Step 4: Simplify right side
    74,866x = 2,501,909,145.11
  5. Step 5: Solve for x
    x = 2,501,909,145.11/74,866
  6. Step 6: Final answer
    x = 33,418.50

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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.