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Finding the Fourth Proportional to 123,505.84, 185,258.76 and 49,685.68

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Solution

The fourth proportional to 123,505.84, 185,258.76 and 49,685.68 is: 74,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,505.84 : 185,258.76 = 49,685.68 : x
  2. Step 2: Convert to fraction form
    123,505.84/185,258.76 = 49,685.68/x
  3. Step 3: Cross multiply
    123,505.84x = 185,258.76 × 49,685.68
  4. Step 4: Simplify right side
    123,505.84x = 9,204,707,466.56
  5. Step 5: Solve for x
    x = 9,204,707,466.56/123,505.84
  6. Step 6: Final answer
    x = 74,528.52

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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.