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Finding the Fourth Proportional to 212,008.64, 292,579.62 and 116,522.60

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Solution

The fourth proportional to 212,008.64, 292,579.62 and 116,522.60 is: 160,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,008.64 : 292,579.62 = 116,522.60 : x
  2. Step 2: Convert to fraction form
    212,008.64/292,579.62 = 116,522.60/x
  3. Step 3: Cross multiply
    212,008.64x = 292,579.62 × 116,522.60
  4. Step 4: Simplify right side
    212,008.64x = 34,092,138,029.41
  5. Step 5: Solve for x
    x = 34,092,138,029.41/212,008.64
  6. Step 6: Final answer
    x = 160,805.42

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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.