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Finding the Fourth Proportional to 101,477.23, 151,593.59 and 73,155.58

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Solution

The fourth proportional to 101,477.23, 151,593.59 and 73,155.58 is: 109,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,477.23 : 151,593.59 = 73,155.58 : x
  2. Step 2: Convert to fraction form
    101,477.23/151,593.59 = 73,155.58/x
  3. Step 3: Cross multiply
    101,477.23x = 151,593.59 × 73,155.58
  4. Step 4: Simplify right side
    101,477.23x = 11,089,916,804.64
  5. Step 5: Solve for x
    x = 11,089,916,804.64/101,477.23
  6. Step 6: Final answer
    x = 109,284.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.