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Finding the Fourth Proportional to 242,700.45, 364,214.69 and 84,930.27

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Solution

The fourth proportional to 242,700.45, 364,214.69 and 84,930.27 is: 127,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,700.45 : 364,214.69 = 84,930.27 : x
  2. Step 2: Convert to fraction form
    242,700.45/364,214.69 = 84,930.27/x
  3. Step 3: Cross multiply
    242,700.45x = 364,214.69 × 84,930.27
  4. Step 4: Simplify right side
    242,700.45x = 30,932,851,959.67
  5. Step 5: Solve for x
    x = 30,932,851,959.67/242,700.45
  6. Step 6: Final answer
    x = 127,452.80

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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.