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Finding the Fourth Proportional to 90,692.67, 136,053.09 and 46,295.40

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Solution

The fourth proportional to 90,692.67, 136,053.09 and 46,295.40 is: 69,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,692.67 : 136,053.09 = 46,295.40 : x
  2. Step 2: Convert to fraction form
    90,692.67/136,053.09 = 46,295.40/x
  3. Step 3: Cross multiply
    90,692.67x = 136,053.09 × 46,295.40
  4. Step 4: Simplify right side
    90,692.67x = 6,298,632,222.79
  5. Step 5: Solve for x
    x = 6,298,632,222.79/90,692.67
  6. Step 6: Final answer
    x = 69,450.29

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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.