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Finding the Fourth Proportional to 259,191.59, 357,823.15 and 181,905.05

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Solution

The fourth proportional to 259,191.59, 357,823.15 and 181,905.05 is: 251,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,191.59 : 357,823.15 = 181,905.05 : x
  2. Step 2: Convert to fraction form
    259,191.59/357,823.15 = 181,905.05/x
  3. Step 3: Cross multiply
    259,191.59x = 357,823.15 × 181,905.05
  4. Step 4: Simplify right side
    259,191.59x = 65,089,838,431.70
  5. Step 5: Solve for x
    x = 65,089,838,431.70/259,191.59
  6. Step 6: Final answer
    x = 251,126.36

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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.