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Finding the Fourth Proportional to 164,168.63, 246,253 and 39,509.63

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Solution

The fourth proportional to 164,168.63, 246,253 and 39,509.63 is: 59,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,168.63 : 246,253 = 39,509.63 : x
  2. Step 2: Convert to fraction form
    164,168.63/246,253 = 39,509.63/x
  3. Step 3: Cross multiply
    164,168.63x = 246,253 × 39,509.63
  4. Step 4: Simplify right side
    164,168.63x = 9,729,364,916.39
  5. Step 5: Solve for x
    x = 9,729,364,916.39/164,168.63
  6. Step 6: Final answer
    x = 59,264.46

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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.