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Finding the Fourth Proportional to 181,830.96, 250,908.84 and 101,255.40

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Solution

The fourth proportional to 181,830.96, 250,908.84 and 101,255.40 is: 139,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,830.96 : 250,908.84 = 101,255.40 : x
  2. Step 2: Convert to fraction form
    181,830.96/250,908.84 = 101,255.40/x
  3. Step 3: Cross multiply
    181,830.96x = 250,908.84 × 101,255.40
  4. Step 4: Simplify right side
    181,830.96x = 25,405,874,957.74
  5. Step 5: Solve for x
    x = 25,405,874,957.74/181,830.96
  6. Step 6: Final answer
    x = 139,722.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.