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Finding the Fourth Proportional to 356,677.62, 534,860.90 and 134,906.10

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Solution

The fourth proportional to 356,677.62, 534,860.90 and 134,906.10 is: 202,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,677.62 : 534,860.90 = 134,906.10 : x
  2. Step 2: Convert to fraction form
    356,677.62/534,860.90 = 134,906.10/x
  3. Step 3: Cross multiply
    356,677.62x = 534,860.90 × 134,906.10
  4. Step 4: Simplify right side
    356,677.62x = 72,155,997,386.96
  5. Step 5: Solve for x
    x = 72,155,997,386.96/356,677.62
  6. Step 6: Final answer
    x = 202,300.32

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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.