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Finding the Fourth Proportional to 226,303.64, 312,355.14 and 130,796.54

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Solution

The fourth proportional to 226,303.64, 312,355.14 and 130,796.54 is: 180,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,303.64 : 312,355.14 = 130,796.54 : x
  2. Step 2: Convert to fraction form
    226,303.64/312,355.14 = 130,796.54/x
  3. Step 3: Cross multiply
    226,303.64x = 312,355.14 × 130,796.54
  4. Step 4: Simplify right side
    226,303.64x = 40,854,971,563.22
  5. Step 5: Solve for x
    x = 40,854,971,563.22/226,303.64
  6. Step 6: Final answer
    x = 180,531.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.