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Finding the Fourth Proportional to 98,950.70, 148,411.65 and 28,822.70

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Solution

The fourth proportional to 98,950.70, 148,411.65 and 28,822.70 is: 43,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,950.70 : 148,411.65 = 28,822.70 : x
  2. Step 2: Convert to fraction form
    98,950.70/148,411.65 = 28,822.70/x
  3. Step 3: Cross multiply
    98,950.70x = 148,411.65 × 28,822.70
  4. Step 4: Simplify right side
    98,950.70x = 4,277,624,464.46
  5. Step 5: Solve for x
    x = 4,277,624,464.46/98,950.70
  6. Step 6: Final answer
    x = 43,229.86

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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.