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Finding the Fourth Proportional to 132,669.45, 199,030.43 and 37,900.45

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Solution

The fourth proportional to 132,669.45, 199,030.43 and 37,900.45 is: 56,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,669.45 : 199,030.43 = 37,900.45 : x
  2. Step 2: Convert to fraction form
    132,669.45/199,030.43 = 37,900.45/x
  3. Step 3: Cross multiply
    132,669.45x = 199,030.43 × 37,900.45
  4. Step 4: Simplify right side
    132,669.45x = 7,543,342,457.87
  5. Step 5: Solve for x
    x = 7,543,342,457.87/132,669.45
  6. Step 6: Final answer
    x = 56,858.17

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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.