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Finding the Fourth Proportional to 104,692.88, 157,054.84 and 48,538.64

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Solution

The fourth proportional to 104,692.88, 157,054.84 and 48,538.64 is: 72,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,692.88 : 157,054.84 = 48,538.64 : x
  2. Step 2: Convert to fraction form
    104,692.88/157,054.84 = 48,538.64/x
  3. Step 3: Cross multiply
    104,692.88x = 157,054.84 × 48,538.64
  4. Step 4: Simplify right side
    104,692.88x = 7,623,228,339.02
  5. Step 5: Solve for x
    x = 7,623,228,339.02/104,692.88
  6. Step 6: Final answer
    x = 72,815.16

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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.