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Finding the Fourth Proportional to 340,827.60, 511,241.40 and 88,107.60

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Solution

The fourth proportional to 340,827.60, 511,241.40 and 88,107.60 is: 132,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,827.60 : 511,241.40 = 88,107.60 : x
  2. Step 2: Convert to fraction form
    340,827.60/511,241.40 = 88,107.60/x
  3. Step 3: Cross multiply
    340,827.60x = 511,241.40 × 88,107.60
  4. Step 4: Simplify right side
    340,827.60x = 45,044,252,774.64
  5. Step 5: Solve for x
    x = 45,044,252,774.64/340,827.60
  6. Step 6: Final answer
    x = 132,161.40

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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.