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Finding the Fourth Proportional to 101,053.16, 151,445.05 and 47,759.29

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Solution

The fourth proportional to 101,053.16, 151,445.05 and 47,759.29 is: 71,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,053.16 : 151,445.05 = 47,759.29 : x
  2. Step 2: Convert to fraction form
    101,053.16/151,445.05 = 47,759.29/x
  3. Step 3: Cross multiply
    101,053.16x = 151,445.05 × 47,759.29
  4. Step 4: Simplify right side
    101,053.16x = 7,232,907,564.00
  5. Step 5: Solve for x
    x = 7,232,907,564.00/101,053.16
  6. Step 6: Final answer
    x = 71,575.27

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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.