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Finding the Fourth Proportional to 341,161.60, 511,742.40 and 119,516.80

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Solution

The fourth proportional to 341,161.60, 511,742.40 and 119,516.80 is: 179,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,161.60 : 511,742.40 = 119,516.80 : x
  2. Step 2: Convert to fraction form
    341,161.60/511,742.40 = 119,516.80/x
  3. Step 3: Cross multiply
    341,161.60x = 511,742.40 × 119,516.80
  4. Step 4: Simplify right side
    341,161.60x = 61,161,814,072.32
  5. Step 5: Solve for x
    x = 61,161,814,072.32/341,161.60
  6. Step 6: Final answer
    x = 179,275.20

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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.