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Finding the Fourth Proportional to 73,570.73, 101,530.94 and 43,357.33

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Solution

The fourth proportional to 73,570.73, 101,530.94 and 43,357.33 is: 59,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,570.73 : 101,530.94 = 43,357.33 : x
  2. Step 2: Convert to fraction form
    73,570.73/101,530.94 = 43,357.33/x
  3. Step 3: Cross multiply
    73,570.73x = 101,530.94 × 43,357.33
  4. Step 4: Simplify right side
    73,570.73x = 4,402,110,175.63
  5. Step 5: Solve for x
    x = 4,402,110,175.63/73,570.73
  6. Step 6: Final answer
    x = 59,835.07

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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.