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Finding the Fourth Proportional to 89,850.42, 124,042.14 and 54,048.42

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Solution

The fourth proportional to 89,850.42, 124,042.14 and 54,048.42 is: 74,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,850.42 : 124,042.14 = 54,048.42 : x
  2. Step 2: Convert to fraction form
    89,850.42/124,042.14 = 54,048.42/x
  3. Step 3: Cross multiply
    89,850.42x = 124,042.14 × 54,048.42
  4. Step 4: Simplify right side
    89,850.42x = 6,704,281,680.42
  5. Step 5: Solve for x
    x = 6,704,281,680.42/89,850.42
  6. Step 6: Final answer
    x = 74,616.03

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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.