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Finding the Fourth Proportional to 171,484.60, 257,226.90 and 53,192.20

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Solution

The fourth proportional to 171,484.60, 257,226.90 and 53,192.20 is: 79,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,484.60 : 257,226.90 = 53,192.20 : x
  2. Step 2: Convert to fraction form
    171,484.60/257,226.90 = 53,192.20/x
  3. Step 3: Cross multiply
    171,484.60x = 257,226.90 × 53,192.20
  4. Step 4: Simplify right side
    171,484.60x = 13,682,464,710.18
  5. Step 5: Solve for x
    x = 13,682,464,710.18/171,484.60
  6. Step 6: Final answer
    x = 79,788.30

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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.