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Finding the Fourth Proportional to 171,493.15, 257,237.39 and 53,164.49

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Solution

The fourth proportional to 171,493.15, 257,237.39 and 53,164.49 is: 79,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,493.15 : 257,237.39 = 53,164.49 : x
  2. Step 2: Convert to fraction form
    171,493.15/257,237.39 = 53,164.49/x
  3. Step 3: Cross multiply
    171,493.15x = 257,237.39 × 53,164.49
  4. Step 4: Simplify right side
    171,493.15x = 13,675,894,393.32
  5. Step 5: Solve for x
    x = 13,675,894,393.32/171,493.15
  6. Step 6: Final answer
    x = 79,746.01

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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.