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Finding the Fourth Proportional to 199,996.60, 300,038.10 and 59,769.40

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Solution

The fourth proportional to 199,996.60, 300,038.10 and 59,769.40 is: 89,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,996.60 : 300,038.10 = 59,769.40 : x
  2. Step 2: Convert to fraction form
    199,996.60/300,038.10 = 59,769.40/x
  3. Step 3: Cross multiply
    199,996.60x = 300,038.10 × 59,769.40
  4. Step 4: Simplify right side
    199,996.60x = 17,933,097,214.14
  5. Step 5: Solve for x
    x = 17,933,097,214.14/199,996.60
  6. Step 6: Final answer
    x = 89,667.01

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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.