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Finding the Fourth Proportional to 109,059.63, 163,676.93 and 56,484.15

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Solution

The fourth proportional to 109,059.63, 163,676.93 and 56,484.15 is: 84,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,059.63 : 163,676.93 = 56,484.15 : x
  2. Step 2: Convert to fraction form
    109,059.63/163,676.93 = 56,484.15/x
  3. Step 3: Cross multiply
    109,059.63x = 163,676.93 × 56,484.15
  4. Step 4: Simplify right side
    109,059.63x = 9,245,151,369.45
  5. Step 5: Solve for x
    x = 9,245,151,369.45/109,059.63
  6. Step 6: Final answer
    x = 84,771.53

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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.