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Finding the Fourth Proportional to 93,250.98, 139,877.44 and 74,649.26

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Solution

The fourth proportional to 93,250.98, 139,877.44 and 74,649.26 is: 111,974.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,250.98 : 139,877.44 = 74,649.26 : x
  2. Step 2: Convert to fraction form
    93,250.98/139,877.44 = 74,649.26/x
  3. Step 3: Cross multiply
    93,250.98x = 139,877.44 × 74,649.26
  4. Step 4: Simplify right side
    93,250.98x = 10,441,747,386.69
  5. Step 5: Solve for x
    x = 10,441,747,386.69/93,250.98
  6. Step 6: Final answer
    x = 111,974.67

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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.