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Finding the Fourth Proportional to 136,676.63, 205,014.08 and 46,675.94

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Solution

The fourth proportional to 136,676.63, 205,014.08 and 46,675.94 is: 70,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,676.63 : 205,014.08 = 46,675.94 : x
  2. Step 2: Convert to fraction form
    136,676.63/205,014.08 = 46,675.94/x
  3. Step 3: Cross multiply
    136,676.63x = 205,014.08 × 46,675.94
  4. Step 4: Simplify right side
    136,676.63x = 9,569,223,638.79
  5. Step 5: Solve for x
    x = 9,569,223,638.79/136,676.63
  6. Step 6: Final answer
    x = 70,013.60

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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.