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Finding the Fourth Proportional to 171,096.40, 256,644.60 and 46,437.40

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Solution

The fourth proportional to 171,096.40, 256,644.60 and 46,437.40 is: 69,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,096.40 : 256,644.60 = 46,437.40 : x
  2. Step 2: Convert to fraction form
    171,096.40/256,644.60 = 46,437.40/x
  3. Step 3: Cross multiply
    171,096.40x = 256,644.60 × 46,437.40
  4. Step 4: Simplify right side
    171,096.40x = 11,917,907,948.04
  5. Step 5: Solve for x
    x = 11,917,907,948.04/171,096.40
  6. Step 6: Final answer
    x = 69,656.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.