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Finding the Fourth Proportional to 173,573.72, 260,387.78 and 55,271.64

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Solution

The fourth proportional to 173,573.72, 260,387.78 and 55,271.64 is: 82,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,573.72 : 260,387.78 = 55,271.64 : x
  2. Step 2: Convert to fraction form
    173,573.72/260,387.78 = 55,271.64/x
  3. Step 3: Cross multiply
    173,573.72x = 260,387.78 × 55,271.64
  4. Step 4: Simplify right side
    173,573.72x = 14,392,059,636.56
  5. Step 5: Solve for x
    x = 14,392,059,636.56/173,573.72
  6. Step 6: Final answer
    x = 82,916.12

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1.5x scale

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.