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Finding the Fourth Proportional to 98,692.80, 148,060.98 and 46,073.58

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Solution

The fourth proportional to 98,692.80, 148,060.98 and 46,073.58 is: 69,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,692.80 : 148,060.98 = 46,073.58 : x
  2. Step 2: Convert to fraction form
    98,692.80/148,060.98 = 46,073.58/x
  3. Step 3: Cross multiply
    98,692.80x = 148,060.98 × 46,073.58
  4. Step 4: Simplify right side
    98,692.80x = 6,821,699,406.91
  5. Step 5: Solve for x
    x = 6,821,699,406.91/98,692.80
  6. Step 6: Final answer
    x = 69,120.54

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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.