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Finding the Fourth Proportional to 103,634.03, 155,451.05 and 103,634.03

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Solution

The fourth proportional to 103,634.03, 155,451.05 and 103,634.03 is: 155,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.03 : 155,451.05 = 103,634.03 : x
  2. Step 2: Convert to fraction form
    103,634.03/155,451.05 = 103,634.03/x
  3. Step 3: Cross multiply
    103,634.03x = 155,451.05 × 103,634.03
  4. Step 4: Simplify right side
    103,634.03x = 16,110,017,483.81
  5. Step 5: Solve for x
    x = 16,110,017,483.81/103,634.03
  6. Step 6: Final answer
    x = 155,451.05

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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.