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Finding the Fourth Proportional to 178,692.93, 246,666.50 and 107,059.11

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Solution

The fourth proportional to 178,692.93, 246,666.50 and 107,059.11 is: 147,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,692.93 : 246,666.50 = 107,059.11 : x
  2. Step 2: Convert to fraction form
    178,692.93/246,666.50 = 107,059.11/x
  3. Step 3: Cross multiply
    178,692.93x = 246,666.50 × 107,059.11
  4. Step 4: Simplify right side
    178,692.93x = 26,407,895,421.52
  5. Step 5: Solve for x
    x = 26,407,895,421.52/178,692.93
  6. Step 6: Final answer
    x = 147,783.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.