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Finding the Fourth Proportional to 173,405.72, 260,108.57 and 48,746.72

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Solution

The fourth proportional to 173,405.72, 260,108.57 and 48,746.72 is: 73,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,405.72 : 260,108.57 = 48,746.72 : x
  2. Step 2: Convert to fraction form
    173,405.72/260,108.57 = 48,746.72/x
  3. Step 3: Cross multiply
    173,405.72x = 260,108.57 × 48,746.72
  4. Step 4: Simplify right side
    173,405.72x = 12,679,438,452.71
  5. Step 5: Solve for x
    x = 12,679,438,452.71/173,405.72
  6. Step 6: Final answer
    x = 73,120.07

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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.