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Finding the Fourth Proportional to 110,477.32, 165,737.64 and 43,905.04

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Solution

The fourth proportional to 110,477.32, 165,737.64 and 43,905.04 is: 65,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,477.32 : 165,737.64 = 43,905.04 : x
  2. Step 2: Convert to fraction form
    110,477.32/165,737.64 = 43,905.04/x
  3. Step 3: Cross multiply
    110,477.32x = 165,737.64 × 43,905.04
  4. Step 4: Simplify right side
    110,477.32x = 7,276,717,713.71
  5. Step 5: Solve for x
    x = 7,276,717,713.71/110,477.32
  6. Step 6: Final answer
    x = 65,866.17

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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.