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Finding the Fourth Proportional to 265,053.57, 397,291.20 and 130,210.44

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Solution

The fourth proportional to 265,053.57, 397,291.20 and 130,210.44 is: 195,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,053.57 : 397,291.20 = 130,210.44 : x
  2. Step 2: Convert to fraction form
    265,053.57/397,291.20 = 130,210.44/x
  3. Step 3: Cross multiply
    265,053.57x = 397,291.20 × 130,210.44
  4. Step 4: Simplify right side
    265,053.57x = 51,731,461,960.13
  5. Step 5: Solve for x
    x = 51,731,461,960.13/265,053.57
  6. Step 6: Final answer
    x = 195,173.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.