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Finding the Fourth Proportional to 165,334.80, 247,564.80 and 130,051.20

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Solution

The fourth proportional to 165,334.80, 247,564.80 and 130,051.20 is: 194,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,334.80 : 247,564.80 = 130,051.20 : x
  2. Step 2: Convert to fraction form
    165,334.80/247,564.80 = 130,051.20/x
  3. Step 3: Cross multiply
    165,334.80x = 247,564.80 × 130,051.20
  4. Step 4: Simplify right side
    165,334.80x = 32,196,099,317.76
  5. Step 5: Solve for x
    x = 32,196,099,317.76/165,334.80
  6. Step 6: Final answer
    x = 194,732.74

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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.