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Finding the Fourth Proportional to 173,676.40, 260,514.60 and 49,017.40

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Solution

The fourth proportional to 173,676.40, 260,514.60 and 49,017.40 is: 73,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,676.40 : 260,514.60 = 49,017.40 : x
  2. Step 2: Convert to fraction form
    173,676.40/260,514.60 = 49,017.40/x
  3. Step 3: Cross multiply
    173,676.40x = 260,514.60 × 49,017.40
  4. Step 4: Simplify right side
    173,676.40x = 12,769,748,354.04
  5. Step 5: Solve for x
    x = 12,769,748,354.04/173,676.40
  6. Step 6: Final answer
    x = 73,526.10

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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.