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Finding the Fourth Proportional to 152,532, 228,579.96 and 67,040.40

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Solution

The fourth proportional to 152,532, 228,579.96 and 67,040.40 is: 100,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,532 : 228,579.96 = 67,040.40 : x
  2. Step 2: Convert to fraction form
    152,532/228,579.96 = 67,040.40/x
  3. Step 3: Cross multiply
    152,532x = 228,579.96 × 67,040.40
  4. Step 4: Simplify right side
    152,532x = 15,324,091,950.38
  5. Step 5: Solve for x
    x = 15,324,091,950.38/152,532
  6. Step 6: Final answer
    x = 100,464.77

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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.