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Finding the Fourth Proportional to 301,719, 452,636.78 and 114,715.96

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Solution

The fourth proportional to 301,719, 452,636.78 and 114,715.96 is: 172,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,719 : 452,636.78 = 114,715.96 : x
  2. Step 2: Convert to fraction form
    301,719/452,636.78 = 114,715.96/x
  3. Step 3: Cross multiply
    301,719x = 452,636.78 × 114,715.96
  4. Step 4: Simplify right side
    301,719x = 51,924,662,749.01
  5. Step 5: Solve for x
    x = 51,924,662,749.01/301,719
  6. Step 6: Final answer
    x = 172,096.10

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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.