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Finding the Fourth Proportional to 89,270.40, 123,194.46 and 48,983.46

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Solution

The fourth proportional to 89,270.40, 123,194.46 and 48,983.46 is: 67,597.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,270.40 : 123,194.46 = 48,983.46 : x
  2. Step 2: Convert to fraction form
    89,270.40/123,194.46 = 48,983.46/x
  3. Step 3: Cross multiply
    89,270.40x = 123,194.46 × 48,983.46
  4. Step 4: Simplify right side
    89,270.40x = 6,034,490,903.63
  5. Step 5: Solve for x
    x = 6,034,490,903.63/89,270.40
  6. Step 6: Final answer
    x = 67,597.89

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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.