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Finding the Fourth Proportional to 360,070.81, 540,099.25 and 107,522.43

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Solution

The fourth proportional to 360,070.81, 540,099.25 and 107,522.43 is: 161,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,070.81 : 540,099.25 = 107,522.43 : x
  2. Step 2: Convert to fraction form
    360,070.81/540,099.25 = 107,522.43/x
  3. Step 3: Cross multiply
    360,070.81x = 540,099.25 × 107,522.43
  4. Step 4: Simplify right side
    360,070.81x = 58,072,783,801.18
  5. Step 5: Solve for x
    x = 58,072,783,801.18/360,070.81
  6. Step 6: Final answer
    x = 161,281.57

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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.