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Finding the Fourth Proportional to 150.02, 224.70 and 117.35

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Solution

The fourth proportional to 150.02, 224.70 and 117.35 is: 175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.02 : 224.70 = 117.35 : x
  2. Step 2: Convert to fraction form
    150.02/224.70 = 117.35/x
  3. Step 3: Cross multiply
    150.02x = 224.70 × 117.35
  4. Step 4: Simplify right side
    150.02x = 26,368.55
  5. Step 5: Solve for x
    x = 26,368.55/150.02
  6. Step 6: Final answer
    x = 175.77

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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.