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Finding the Fourth Proportional to 107,466.85, 148,307.85 and 59,722.21

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Solution

The fourth proportional to 107,466.85, 148,307.85 and 59,722.21 is: 82,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,466.85 : 148,307.85 = 59,722.21 : x
  2. Step 2: Convert to fraction form
    107,466.85/148,307.85 = 59,722.21/x
  3. Step 3: Cross multiply
    107,466.85x = 148,307.85 × 59,722.21
  4. Step 4: Simplify right side
    107,466.85x = 8,857,271,522.20
  5. Step 5: Solve for x
    x = 8,857,271,522.20/107,466.85
  6. Step 6: Final answer
    x = 82,418.64

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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.