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Finding the Fourth Proportional to 173,407.64, 260,111.43 and 48,748.64

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Solution

The fourth proportional to 173,407.64, 260,111.43 and 48,748.64 is: 73,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,407.64 : 260,111.43 = 48,748.64 : x
  2. Step 2: Convert to fraction form
    173,407.64/260,111.43 = 48,748.64/x
  3. Step 3: Cross multiply
    173,407.64x = 260,111.43 × 48,748.64
  4. Step 4: Simplify right side
    173,407.64x = 12,680,078,460.96
  5. Step 5: Solve for x
    x = 12,680,078,460.96/173,407.64
  6. Step 6: Final answer
    x = 73,122.95

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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.