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Finding the Fourth Proportional to 255,953.70, 383,376.48 and 166,937.16

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Solution

The fourth proportional to 255,953.70, 383,376.48 and 166,937.16 is: 250,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,953.70 : 383,376.48 = 166,937.16 : x
  2. Step 2: Convert to fraction form
    255,953.70/383,376.48 = 166,937.16/x
  3. Step 3: Cross multiply
    255,953.70x = 383,376.48 × 166,937.16
  4. Step 4: Simplify right side
    255,953.70x = 63,999,780,782.00
  5. Step 5: Solve for x
    x = 63,999,780,782.00/255,953.70
  6. Step 6: Final answer
    x = 250,044.37

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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.