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Finding the Fourth Proportional to 173,369.34, 260,055.09 and 53,424.81

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Solution

The fourth proportional to 173,369.34, 260,055.09 and 53,424.81 is: 80,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,369.34 : 260,055.09 = 53,424.81 : x
  2. Step 2: Convert to fraction form
    173,369.34/260,055.09 = 53,424.81/x
  3. Step 3: Cross multiply
    173,369.34x = 260,055.09 × 53,424.81
  4. Step 4: Simplify right side
    173,369.34x = 13,893,393,772.78
  5. Step 5: Solve for x
    x = 13,893,393,772.78/173,369.34
  6. Step 6: Final answer
    x = 80,137.55

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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.