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Finding the Fourth Proportional to 152,099.80, 228,149.70 and 63,323.80

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Solution

The fourth proportional to 152,099.80, 228,149.70 and 63,323.80 is: 94,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,099.80 : 228,149.70 = 63,323.80 : x
  2. Step 2: Convert to fraction form
    152,099.80/228,149.70 = 63,323.80/x
  3. Step 3: Cross multiply
    152,099.80x = 228,149.70 × 63,323.80
  4. Step 4: Simplify right side
    152,099.80x = 14,447,305,972.86
  5. Step 5: Solve for x
    x = 14,447,305,972.86/152,099.80
  6. Step 6: Final answer
    x = 94,985.70

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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.