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Finding the Fourth Proportional to 73,478.01, 110,204.60 and 28,492.77

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Solution

The fourth proportional to 73,478.01, 110,204.60 and 28,492.77 is: 42,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,478.01 : 110,204.60 = 28,492.77 : x
  2. Step 2: Convert to fraction form
    73,478.01/110,204.60 = 28,492.77/x
  3. Step 3: Cross multiply
    73,478.01x = 110,204.60 × 28,492.77
  4. Step 4: Simplify right side
    73,478.01x = 3,140,034,178.28
  5. Step 5: Solve for x
    x = 3,140,034,178.28/73,478.01
  6. Step 6: Final answer
    x = 42,734.34

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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.