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Finding the Fourth Proportional to 149,689.76, 224,570.58 and 49,850.84

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Solution

The fourth proportional to 149,689.76, 224,570.58 and 49,850.84 is: 74,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,689.76 : 224,570.58 = 49,850.84 : x
  2. Step 2: Convert to fraction form
    149,689.76/224,570.58 = 49,850.84/x
  3. Step 3: Cross multiply
    149,689.76x = 224,570.58 × 49,850.84
  4. Step 4: Simplify right side
    149,689.76x = 11,195,032,426.77
  5. Step 5: Solve for x
    x = 11,195,032,426.77/149,689.76
  6. Step 6: Final answer
    x = 74,788.23

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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.