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Finding the Fourth Proportional to 188, 282.04 and 59.76

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Solution

The fourth proportional to 188, 282.04 and 59.76 is: 89.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188 : 282.04 = 59.76 : x
  2. Step 2: Convert to fraction form
    188/282.04 = 59.76/x
  3. Step 3: Cross multiply
    188x = 282.04 × 59.76
  4. Step 4: Simplify right side
    188x = 16,854.71
  5. Step 5: Solve for x
    x = 16,854.71/188
  6. Step 6: Final answer
    x = 89.65

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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.