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Finding the Fourth Proportional to 224,647.64, 310,014.28 and 122,673.30

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Solution

The fourth proportional to 224,647.64, 310,014.28 and 122,673.30 is: 169,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,647.64 : 310,014.28 = 122,673.30 : x
  2. Step 2: Convert to fraction form
    224,647.64/310,014.28 = 122,673.30/x
  3. Step 3: Cross multiply
    224,647.64x = 310,014.28 × 122,673.30
  4. Step 4: Simplify right side
    224,647.64x = 38,030,474,774.72
  5. Step 5: Solve for x
    x = 38,030,474,774.72/224,647.64
  6. Step 6: Final answer
    x = 169,289.45

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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.