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Finding the Fourth Proportional to 150,491.33, 207,699.16 and 93,148.95

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Solution

The fourth proportional to 150,491.33, 207,699.16 and 93,148.95 is: 128,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,491.33 : 207,699.16 = 93,148.95 : x
  2. Step 2: Convert to fraction form
    150,491.33/207,699.16 = 93,148.95/x
  3. Step 3: Cross multiply
    150,491.33x = 207,699.16 × 93,148.95
  4. Step 4: Simplify right side
    150,491.33x = 19,346,958,669.88
  5. Step 5: Solve for x
    x = 19,346,958,669.88/150,491.33
  6. Step 6: Final answer
    x = 128,558.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.