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Finding the Fourth Proportional to 173,886.30, 260,764.65 and 61,523.10

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Solution

The fourth proportional to 173,886.30, 260,764.65 and 61,523.10 is: 92,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,886.30 : 260,764.65 = 61,523.10 : x
  2. Step 2: Convert to fraction form
    173,886.30/260,764.65 = 61,523.10/x
  3. Step 3: Cross multiply
    173,886.30x = 260,764.65 × 61,523.10
  4. Step 4: Simplify right side
    173,886.30x = 16,043,049,638.42
  5. Step 5: Solve for x
    x = 16,043,049,638.42/173,886.30
  6. Step 6: Final answer
    x = 92,261.72

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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.