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Finding the Fourth Proportional to 70,898.22, 106,347.24 and 18,307.44

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Solution

The fourth proportional to 70,898.22, 106,347.24 and 18,307.44 is: 27,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,898.22 : 106,347.24 = 18,307.44 : x
  2. Step 2: Convert to fraction form
    70,898.22/106,347.24 = 18,307.44/x
  3. Step 3: Cross multiply
    70,898.22x = 106,347.24 × 18,307.44
  4. Step 4: Simplify right side
    70,898.22x = 1,946,945,715.47
  5. Step 5: Solve for x
    x = 1,946,945,715.47/70,898.22
  6. Step 6: Final answer
    x = 27,461.14

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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.