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Finding the Fourth Proportional to 356,677.02, 534,860.01 and 134,905.50

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Solution

The fourth proportional to 356,677.02, 534,860.01 and 134,905.50 is: 202,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,677.02 : 534,860.01 = 134,905.50 : x
  2. Step 2: Convert to fraction form
    356,677.02/534,860.01 = 134,905.50/x
  3. Step 3: Cross multiply
    356,677.02x = 534,860.01 × 134,905.50
  4. Step 4: Simplify right side
    356,677.02x = 72,155,557,079.06
  5. Step 5: Solve for x
    x = 72,155,557,079.06/356,677.02
  6. Step 6: Final answer
    x = 202,299.43

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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.