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Finding the Fourth Proportional to 212,389.00, 292,886.72 and 193,955.02

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Solution

The fourth proportional to 212,389.00, 292,886.72 and 193,955.02 is: 267,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,389.00 : 292,886.72 = 193,955.02 : x
  2. Step 2: Convert to fraction form
    212,389.00/292,886.72 = 193,955.02/x
  3. Step 3: Cross multiply
    212,389.00x = 292,886.72 × 193,955.02
  4. Step 4: Simplify right side
    212,389.00x = 56,806,848,660.67
  5. Step 5: Solve for x
    x = 56,806,848,660.67/212,389.00
  6. Step 6: Final answer
    x = 267,466.06

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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.