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Finding the Fourth Proportional to 214,118.59, 295,622.31 and 137,672.02

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Solution

The fourth proportional to 214,118.59, 295,622.31 and 137,672.02 is: 190,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,118.59 : 295,622.31 = 137,672.02 : x
  2. Step 2: Convert to fraction form
    214,118.59/295,622.31 = 137,672.02/x
  3. Step 3: Cross multiply
    214,118.59x = 295,622.31 × 137,672.02
  4. Step 4: Simplify right side
    214,118.59x = 40,698,920,574.77
  5. Step 5: Solve for x
    x = 40,698,920,574.77/214,118.59
  6. Step 6: Final answer
    x = 190,076.54

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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.