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Finding the Fourth Proportional to 152,164.40, 228,300.60 and 67,916.88

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Solution

The fourth proportional to 152,164.40, 228,300.60 and 67,916.88 is: 101,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,164.40 : 228,300.60 = 67,916.88 : x
  2. Step 2: Convert to fraction form
    152,164.40/228,300.60 = 67,916.88/x
  3. Step 3: Cross multiply
    152,164.40x = 228,300.60 × 67,916.88
  4. Step 4: Simplify right side
    152,164.40x = 15,505,464,454.13
  5. Step 5: Solve for x
    x = 15,505,464,454.13/152,164.40
  6. Step 6: Final answer
    x = 101,899.42

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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.