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Finding the Fourth Proportional to 176.64, 263.59 and 162.93

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Solution

The fourth proportional to 176.64, 263.59 and 162.93 is: 243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.64 : 263.59 = 162.93 : x
  2. Step 2: Convert to fraction form
    176.64/263.59 = 162.93/x
  3. Step 3: Cross multiply
    176.64x = 263.59 × 162.93
  4. Step 4: Simplify right side
    176.64x = 42,946.72
  5. Step 5: Solve for x
    x = 42,946.72/176.64
  6. Step 6: Final answer
    x = 243.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.