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Finding the Fourth Proportional to 171,704.80, 257,557.20 and 97,055.20

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Solution

The fourth proportional to 171,704.80, 257,557.20 and 97,055.20 is: 145,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,704.80 : 257,557.20 = 97,055.20 : x
  2. Step 2: Convert to fraction form
    171,704.80/257,557.20 = 97,055.20/x
  3. Step 3: Cross multiply
    171,704.80x = 257,557.20 × 97,055.20
  4. Step 4: Simplify right side
    171,704.80x = 24,997,265,557.44
  5. Step 5: Solve for x
    x = 24,997,265,557.44/171,704.80
  6. Step 6: Final answer
    x = 145,582.80

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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.