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Finding the Fourth Proportional to 356,692.38, 534,883.02 and 134,920.86

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Solution

The fourth proportional to 356,692.38, 534,883.02 and 134,920.86 is: 202,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,692.38 : 534,883.02 = 134,920.86 : x
  2. Step 2: Convert to fraction form
    356,692.38/534,883.02 = 134,920.86/x
  3. Step 3: Cross multiply
    356,692.38x = 534,883.02 × 134,920.86
  4. Step 4: Simplify right side
    356,692.38x = 72,166,877,057.80
  5. Step 5: Solve for x
    x = 72,166,877,057.80/356,692.38
  6. Step 6: Final answer
    x = 202,322.45

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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.