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Finding the Fourth Proportional to 160,824.60, 221,904.72 and 92,840.40

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Solution

The fourth proportional to 160,824.60, 221,904.72 and 92,840.40 is: 128,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,824.60 : 221,904.72 = 92,840.40 : x
  2. Step 2: Convert to fraction form
    160,824.60/221,904.72 = 92,840.40/x
  3. Step 3: Cross multiply
    160,824.60x = 221,904.72 × 92,840.40
  4. Step 4: Simplify right side
    160,824.60x = 20,601,722,966.69
  5. Step 5: Solve for x
    x = 20,601,722,966.69/160,824.60
  6. Step 6: Final answer
    x = 128,100.57

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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.