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Finding the Fourth Proportional to 150,406.46, 207,541.19 and 89,955.05

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Solution

The fourth proportional to 150,406.46, 207,541.19 and 89,955.05 is: 124,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,406.46 : 207,541.19 = 89,955.05 : x
  2. Step 2: Convert to fraction form
    150,406.46/207,541.19 = 89,955.05/x
  3. Step 3: Cross multiply
    150,406.46x = 207,541.19 × 89,955.05
  4. Step 4: Simplify right side
    150,406.46x = 18,669,376,636.03
  5. Step 5: Solve for x
    x = 18,669,376,636.03/150,406.46
  6. Step 6: Final answer
    x = 124,126.17

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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.