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Finding the Fourth Proportional to 101,036.93, 151,511.44 and 28,973.97

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Solution

The fourth proportional to 101,036.93, 151,511.44 and 28,973.97 is: 43,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,036.93 : 151,511.44 = 28,973.97 : x
  2. Step 2: Convert to fraction form
    101,036.93/151,511.44 = 28,973.97/x
  3. Step 3: Cross multiply
    101,036.93x = 151,511.44 × 28,973.97
  4. Step 4: Simplify right side
    101,036.93x = 4,389,887,772.35
  5. Step 5: Solve for x
    x = 4,389,887,772.35/101,036.93
  6. Step 6: Final answer
    x = 43,448.35

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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.