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Finding the Fourth Proportional to 73,533.40, 110,267.70 and 29,145.40

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Solution

The fourth proportional to 73,533.40, 110,267.70 and 29,145.40 is: 43,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,533.40 : 110,267.70 = 29,145.40 : x
  2. Step 2: Convert to fraction form
    73,533.40/110,267.70 = 29,145.40/x
  3. Step 3: Cross multiply
    73,533.40x = 110,267.70 × 29,145.40
  4. Step 4: Simplify right side
    73,533.40x = 3,213,796,223.58
  5. Step 5: Solve for x
    x = 3,213,796,223.58/73,533.40
  6. Step 6: Final answer
    x = 43,705.26

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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.