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Finding the Fourth Proportional to 110,492.10, 165,738.15 and 73,094.40

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Solution

The fourth proportional to 110,492.10, 165,738.15 and 73,094.40 is: 109,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,492.10 : 165,738.15 = 73,094.40 : x
  2. Step 2: Convert to fraction form
    110,492.10/165,738.15 = 73,094.40/x
  3. Step 3: Cross multiply
    110,492.10x = 165,738.15 × 73,094.40
  4. Step 4: Simplify right side
    110,492.10x = 12,114,530,631.36
  5. Step 5: Solve for x
    x = 12,114,530,631.36/110,492.10
  6. Step 6: Final answer
    x = 109,641.60

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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.