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Finding the Fourth Proportional to 149,495.54, 224,298 and 69,571.64

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Solution

The fourth proportional to 149,495.54, 224,298 and 69,571.64 is: 104,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,495.54 : 224,298 = 69,571.64 : x
  2. Step 2: Convert to fraction form
    149,495.54/224,298 = 69,571.64/x
  3. Step 3: Cross multiply
    149,495.54x = 224,298 × 69,571.64
  4. Step 4: Simplify right side
    149,495.54x = 15,604,779,708.72
  5. Step 5: Solve for x
    x = 15,604,779,708.72/149,495.54
  6. Step 6: Final answer
    x = 104,382.91

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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.