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Finding the Fourth Proportional to 212,253.88, 292,898.82 and 116,745.16

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Solution

The fourth proportional to 212,253.88, 292,898.82 and 116,745.16 is: 161,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,253.88 : 292,898.82 = 116,745.16 : x
  2. Step 2: Convert to fraction form
    212,253.88/292,898.82 = 116,745.16/x
  3. Step 3: Cross multiply
    212,253.88x = 292,898.82 × 116,745.16
  4. Step 4: Simplify right side
    212,253.88x = 34,194,519,604.71
  5. Step 5: Solve for x
    x = 34,194,519,604.71/212,253.88
  6. Step 6: Final answer
    x = 161,101.98

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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.