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Finding the Fourth Proportional to 152,447.70, 228,801.15 and 68,337.30

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Solution

The fourth proportional to 152,447.70, 228,801.15 and 68,337.30 is: 102,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,447.70 : 228,801.15 = 68,337.30 : x
  2. Step 2: Convert to fraction form
    152,447.70/228,801.15 = 68,337.30/x
  3. Step 3: Cross multiply
    152,447.70x = 228,801.15 × 68,337.30
  4. Step 4: Simplify right side
    152,447.70x = 15,635,652,827.90
  5. Step 5: Solve for x
    x = 15,635,652,827.90/152,447.70
  6. Step 6: Final answer
    x = 102,564.05

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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.