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Finding the Fourth Proportional to 212,791.95, 293,652.78 and 117,300.24

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Solution

The fourth proportional to 212,791.95, 293,652.78 and 117,300.24 is: 161,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,791.95 : 293,652.78 = 117,300.24 : x
  2. Step 2: Convert to fraction form
    212,791.95/293,652.78 = 117,300.24/x
  3. Step 3: Cross multiply
    212,791.95x = 293,652.78 × 117,300.24
  4. Step 4: Simplify right side
    212,791.95x = 34,445,541,570.67
  5. Step 5: Solve for x
    x = 34,445,541,570.67/212,791.95
  6. Step 6: Final answer
    x = 161,874.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.