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Finding the Fourth Proportional to 160,688.54, 240,955.05 and 55,470.62

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Solution

The fourth proportional to 160,688.54, 240,955.05 and 55,470.62 is: 83,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,688.54 : 240,955.05 = 55,470.62 : x
  2. Step 2: Convert to fraction form
    160,688.54/240,955.05 = 55,470.62/x
  3. Step 3: Cross multiply
    160,688.54x = 240,955.05 × 55,470.62
  4. Step 4: Simplify right side
    160,688.54x = 13,365,926,015.63
  5. Step 5: Solve for x
    x = 13,365,926,015.63/160,688.54
  6. Step 6: Final answer
    x = 83,179.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.