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Finding the Fourth Proportional to 212,253.52, 292,914.39 and 116,760.22

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Solution

The fourth proportional to 212,253.52, 292,914.39 and 116,760.22 is: 161,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,253.52 : 292,914.39 = 116,760.22 : x
  2. Step 2: Convert to fraction form
    212,253.52/292,914.39 = 116,760.22/x
  3. Step 3: Cross multiply
    212,253.52x = 292,914.39 × 116,760.22
  4. Step 4: Simplify right side
    212,253.52x = 34,200,748,617.57
  5. Step 5: Solve for x
    x = 34,200,748,617.57/212,253.52
  6. Step 6: Final answer
    x = 161,131.60

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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.