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Finding the Fourth Proportional to 194,403, 268,276.14 and 104,979

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Solution

The fourth proportional to 194,403, 268,276.14 and 104,979 is: 144,871.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,403 : 268,276.14 = 104,979 : x
  2. Step 2: Convert to fraction form
    194,403/268,276.14 = 104,979/x
  3. Step 3: Cross multiply
    194,403x = 268,276.14 × 104,979
  4. Step 4: Simplify right side
    194,403x = 28,163,360,901.06
  5. Step 5: Solve for x
    x = 28,163,360,901.06/194,403
  6. Step 6: Final answer
    x = 144,871.02

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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.