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Finding the Fourth Proportional to 110,038.56, 165,057.72 and 39,894.72

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Solution

The fourth proportional to 110,038.56, 165,057.72 and 39,894.72 is: 59,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,038.56 : 165,057.72 = 39,894.72 : x
  2. Step 2: Convert to fraction form
    110,038.56/165,057.72 = 39,894.72/x
  3. Step 3: Cross multiply
    110,038.56x = 165,057.72 × 39,894.72
  4. Step 4: Simplify right side
    110,038.56x = 6,584,931,523.24
  5. Step 5: Solve for x
    x = 6,584,931,523.24/110,038.56
  6. Step 6: Final answer
    x = 59,842.04

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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.