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Finding the Fourth Proportional to 292.02, 438.08 and 97.01

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Solution

The fourth proportional to 292.02, 438.08 and 97.01 is: 145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.02 : 438.08 = 97.01 : x
  2. Step 2: Convert to fraction form
    292.02/438.08 = 97.01/x
  3. Step 3: Cross multiply
    292.02x = 438.08 × 97.01
  4. Step 4: Simplify right side
    292.02x = 42,497.11
  5. Step 5: Solve for x
    x = 42,497.11/292.02
  6. Step 6: Final answer
    x = 145.53

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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.