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Finding the Fourth Proportional to 89,773.84, 123,888.21 and 48,937.75

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Solution

The fourth proportional to 89,773.84, 123,888.21 and 48,937.75 is: 67,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,773.84 : 123,888.21 = 48,937.75 : x
  2. Step 2: Convert to fraction form
    89,773.84/123,888.21 = 48,937.75/x
  3. Step 3: Cross multiply
    89,773.84x = 123,888.21 × 48,937.75
  4. Step 4: Simplify right side
    89,773.84x = 6,062,809,629.49
  5. Step 5: Solve for x
    x = 6,062,809,629.49/89,773.84
  6. Step 6: Final answer
    x = 67,534.26

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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.