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Finding the Fourth Proportional to 171,153.16, 256,754.34 and 52,834.63

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Solution

The fourth proportional to 171,153.16, 256,754.34 and 52,834.63 is: 79,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,153.16 : 256,754.34 = 52,834.63 : x
  2. Step 2: Convert to fraction form
    171,153.16/256,754.34 = 52,834.63/x
  3. Step 3: Cross multiply
    171,153.16x = 256,754.34 × 52,834.63
  4. Step 4: Simplify right side
    171,153.16x = 13,565,520,554.79
  5. Step 5: Solve for x
    x = 13,565,520,554.79/171,153.16
  6. Step 6: Final answer
    x = 79,259.54

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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.