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Finding the Fourth Proportional to 175, 262.50 and 46.76

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Solution

The fourth proportional to 175, 262.50 and 46.76 is: 70.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175 : 262.50 = 46.76 : x
  2. Step 2: Convert to fraction form
    175/262.50 = 46.76/x
  3. Step 3: Cross multiply
    175x = 262.50 × 46.76
  4. Step 4: Simplify right side
    175x = 12,274.50
  5. Step 5: Solve for x
    x = 12,274.50/175
  6. Step 6: Final answer
    x = 70.14

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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.