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Finding the Fourth Proportional to 344,070.89, 516,106.69 and 130,788.68

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Solution

The fourth proportional to 344,070.89, 516,106.69 and 130,788.68 is: 196,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,070.89 : 516,106.69 = 130,788.68 : x
  2. Step 2: Convert to fraction form
    344,070.89/516,106.69 = 130,788.68/x
  3. Step 3: Cross multiply
    344,070.89x = 516,106.69 × 130,788.68
  4. Step 4: Simplify right side
    344,070.89x = 67,500,909,816.76
  5. Step 5: Solve for x
    x = 67,500,909,816.76/344,070.89
  6. Step 6: Final answer
    x = 196,183.15

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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.