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Finding the Fourth Proportional to 106,070.00, 158,999.90 and 49,809.40

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Solution

The fourth proportional to 106,070.00, 158,999.90 and 49,809.40 is: 74,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,070.00 : 158,999.90 = 49,809.40 : x
  2. Step 2: Convert to fraction form
    106,070.00/158,999.90 = 49,809.40/x
  3. Step 3: Cross multiply
    106,070.00x = 158,999.90 × 49,809.40
  4. Step 4: Simplify right side
    106,070.00x = 7,919,689,299.39
  5. Step 5: Solve for x
    x = 7,919,689,299.39/106,070.00
  6. Step 6: Final answer
    x = 74,664.74

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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.