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Finding the Fourth Proportional to 103,244.72, 154,893.76 and 33,124.64

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Solution

The fourth proportional to 103,244.72, 154,893.76 and 33,124.64 is: 49,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,244.72 : 154,893.76 = 33,124.64 : x
  2. Step 2: Convert to fraction form
    103,244.72/154,893.76 = 33,124.64/x
  3. Step 3: Cross multiply
    103,244.72x = 154,893.76 × 33,124.64
  4. Step 4: Simplify right side
    103,244.72x = 5,130,800,038.25
  5. Step 5: Solve for x
    x = 5,130,800,038.25/103,244.72
  6. Step 6: Final answer
    x = 49,695.52

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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.