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Finding the Fourth Proportional to 156.99, 235.59 and 95.93

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Solution

The fourth proportional to 156.99, 235.59 and 95.93 is: 143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.99 : 235.59 = 95.93 : x
  2. Step 2: Convert to fraction form
    156.99/235.59 = 95.93/x
  3. Step 3: Cross multiply
    156.99x = 235.59 × 95.93
  4. Step 4: Simplify right side
    156.99x = 22,599.67
  5. Step 5: Solve for x
    x = 22,599.67/156.99
  6. Step 6: Final answer
    x = 143.96

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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.