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Finding the Fourth Proportional to 160,476.60, 221,423.40 and 96,813.48

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Solution

The fourth proportional to 160,476.60, 221,423.40 and 96,813.48 is: 133,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,476.60 : 221,423.40 = 96,813.48 : x
  2. Step 2: Convert to fraction form
    160,476.60/221,423.40 = 96,813.48/x
  3. Step 3: Cross multiply
    160,476.60x = 221,423.40 × 96,813.48
  4. Step 4: Simplify right side
    160,476.60x = 21,436,769,907.43
  5. Step 5: Solve for x
    x = 21,436,769,907.43/160,476.60
  6. Step 6: Final answer
    x = 133,581.90

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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.