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Finding the Fourth Proportional to 301,109.00, 451,706.45 and 98,661.78

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Solution

The fourth proportional to 301,109.00, 451,706.45 and 98,661.78 is: 148,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,109.00 : 451,706.45 = 98,661.78 : x
  2. Step 2: Convert to fraction form
    301,109.00/451,706.45 = 98,661.78/x
  3. Step 3: Cross multiply
    301,109.00x = 451,706.45 × 98,661.78
  4. Step 4: Simplify right side
    301,109.00x = 44,566,161,901.17
  5. Step 5: Solve for x
    x = 44,566,161,901.17/301,109.00
  6. Step 6: Final answer
    x = 148,006.74

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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.