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Finding the Fourth Proportional to 181,708.89, 250,651.98 and 118,089.06

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Solution

The fourth proportional to 181,708.89, 250,651.98 and 118,089.06 is: 162,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,708.89 : 250,651.98 = 118,089.06 : x
  2. Step 2: Convert to fraction form
    181,708.89/250,651.98 = 118,089.06/x
  3. Step 3: Cross multiply
    181,708.89x = 250,651.98 × 118,089.06
  4. Step 4: Simplify right side
    181,708.89x = 29,599,256,705.34
  5. Step 5: Solve for x
    x = 29,599,256,705.34/181,708.89
  6. Step 6: Final answer
    x = 162,893.83

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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.