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Finding the Fourth Proportional to 212,242.60, 292,893.15 and 116,747.20

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Solution

The fourth proportional to 212,242.60, 292,893.15 and 116,747.20 is: 161,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,242.60 : 292,893.15 = 116,747.20 : x
  2. Step 2: Convert to fraction form
    212,242.60/292,893.15 = 116,747.20/x
  3. Step 3: Cross multiply
    212,242.60x = 292,893.15 × 116,747.20
  4. Step 4: Simplify right side
    212,242.60x = 34,194,455,161.68
  5. Step 5: Solve for x
    x = 34,194,455,161.68/212,242.60
  6. Step 6: Final answer
    x = 161,110.23

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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.