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Finding the Fourth Proportional to 265,079.70, 397,360.35 and 107,097.30

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Solution

The fourth proportional to 265,079.70, 397,360.35 and 107,097.30 is: 160,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,079.70 : 397,360.35 = 107,097.30 : x
  2. Step 2: Convert to fraction form
    265,079.70/397,360.35 = 107,097.30/x
  3. Step 3: Cross multiply
    265,079.70x = 397,360.35 × 107,097.30
  4. Step 4: Simplify right side
    265,079.70x = 42,556,220,612.06
  5. Step 5: Solve for x
    x = 42,556,220,612.06/265,079.70
  6. Step 6: Final answer
    x = 160,541.23

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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.