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Finding the Fourth Proportional to 145,462.99, 200,692.18 and 88,083.96

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Solution

The fourth proportional to 145,462.99, 200,692.18 and 88,083.96 is: 121,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,462.99 : 200,692.18 = 88,083.96 : x
  2. Step 2: Convert to fraction form
    145,462.99/200,692.18 = 88,083.96/x
  3. Step 3: Cross multiply
    145,462.99x = 200,692.18 × 88,083.96
  4. Step 4: Simplify right side
    145,462.99x = 17,677,761,312.94
  5. Step 5: Solve for x
    x = 17,677,761,312.94/145,462.99
  6. Step 6: Final answer
    x = 121,527.55

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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.