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Finding the Fourth Proportional to 283,233.01, 390,894.89 and 159,074.41

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Solution

The fourth proportional to 283,233.01, 390,894.89 and 159,074.41 is: 219,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,233.01 : 390,894.89 = 159,074.41 : x
  2. Step 2: Convert to fraction form
    283,233.01/390,894.89 = 159,074.41/x
  3. Step 3: Cross multiply
    283,233.01x = 390,894.89 × 159,074.41
  4. Step 4: Simplify right side
    283,233.01x = 62,181,372,307.09
  5. Step 5: Solve for x
    x = 62,181,372,307.09/283,233.01
  6. Step 6: Final answer
    x = 219,541.41

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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.