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Finding the Fourth Proportional to 234,829.12, 324,064.30 and 127,399.12

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Solution

The fourth proportional to 234,829.12, 324,064.30 and 127,399.12 is: 175,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,829.12 : 324,064.30 = 127,399.12 : x
  2. Step 2: Convert to fraction form
    234,829.12/324,064.30 = 127,399.12/x
  3. Step 3: Cross multiply
    234,829.12x = 324,064.30 × 127,399.12
  4. Step 4: Simplify right side
    234,829.12x = 41,285,506,643.42
  5. Step 5: Solve for x
    x = 41,285,506,643.42/234,829.12
  6. Step 6: Final answer
    x = 175,810.85

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