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Finding the Fourth Proportional to 95,520, 143,280 and 37,152

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Solution

The fourth proportional to 95,520, 143,280 and 37,152 is: 55,728

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,520 : 143,280 = 37,152 : x
  2. Step 2: Convert to fraction form
    95,520/143,280 = 37,152/x
  3. Step 3: Cross multiply
    95,520x = 143,280 × 37,152
  4. Step 4: Simplify right side
    95,520x = 5,323,138,560
  5. Step 5: Solve for x
    x = 5,323,138,560/95,520
  6. Step 6: Final answer
    x = 55,728

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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.