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Finding the Fourth Proportional to 123,324.84, 184,915.46 and 48,357.12

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Solution

The fourth proportional to 123,324.84, 184,915.46 and 48,357.12 is: 72,507.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,324.84 : 184,915.46 = 48,357.12 : x
  2. Step 2: Convert to fraction form
    123,324.84/184,915.46 = 48,357.12/x
  3. Step 3: Cross multiply
    123,324.84x = 184,915.46 × 48,357.12
  4. Step 4: Simplify right side
    123,324.84x = 8,941,979,089.08
  5. Step 5: Solve for x
    x = 8,941,979,089.08/123,324.84
  6. Step 6: Final answer
    x = 72,507.53

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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.