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Finding the Fourth Proportional to 242,447.58, 363,680.28 and 123,980.22

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Solution

The fourth proportional to 242,447.58, 363,680.28 and 123,980.22 is: 185,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,447.58 : 363,680.28 = 123,980.22 : x
  2. Step 2: Convert to fraction form
    242,447.58/363,680.28 = 123,980.22/x
  3. Step 3: Cross multiply
    242,447.58x = 363,680.28 × 123,980.22
  4. Step 4: Simplify right side
    242,447.58x = 45,089,161,124.06
  5. Step 5: Solve for x
    x = 45,089,161,124.06/242,447.58
  6. Step 6: Final answer
    x = 185,974.89

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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.