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Finding the Fourth Proportional to 212,257.01, 292,919.21 and 116,763.71

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Solution

The fourth proportional to 212,257.01, 292,919.21 and 116,763.71 is: 161,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,257.01 : 292,919.21 = 116,763.71 : x
  2. Step 2: Convert to fraction form
    212,257.01/292,919.21 = 116,763.71/x
  3. Step 3: Cross multiply
    212,257.01x = 292,919.21 × 116,763.71
  4. Step 4: Simplify right side
    212,257.01x = 34,202,331,641.45
  5. Step 5: Solve for x
    x = 34,202,331,641.45/212,257.01
  6. Step 6: Final answer
    x = 161,136.41

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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.