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Finding the Fourth Proportional to 132,818.08, 199,285.44 and 70,493.44

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Solution

The fourth proportional to 132,818.08, 199,285.44 and 70,493.44 is: 105,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,818.08 : 199,285.44 = 70,493.44 : x
  2. Step 2: Convert to fraction form
    132,818.08/199,285.44 = 70,493.44/x
  3. Step 3: Cross multiply
    132,818.08x = 199,285.44 × 70,493.44
  4. Step 4: Simplify right side
    132,818.08x = 14,048,316,207.51
  5. Step 5: Solve for x
    x = 14,048,316,207.51/132,818.08
  6. Step 6: Final answer
    x = 105,771.11

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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.