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Finding the Fourth Proportional to 110,502, 165,606.66 and 43,905.42

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Solution

The fourth proportional to 110,502, 165,606.66 and 43,905.42 is: 65,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,502 : 165,606.66 = 43,905.42 : x
  2. Step 2: Convert to fraction form
    110,502/165,606.66 = 43,905.42/x
  3. Step 3: Cross multiply
    110,502x = 165,606.66 × 43,905.42
  4. Step 4: Simplify right side
    110,502x = 7,271,029,962.10
  5. Step 5: Solve for x
    x = 7,271,029,962.10/110,502
  6. Step 6: Final answer
    x = 65,799.99

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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.