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Finding the Fourth Proportional to 163,280.07, 244,657.80 and 137,036.07

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Solution

The fourth proportional to 163,280.07, 244,657.80 and 137,036.07 is: 205,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,280.07 : 244,657.80 = 137,036.07 : x
  2. Step 2: Convert to fraction form
    163,280.07/244,657.80 = 137,036.07/x
  3. Step 3: Cross multiply
    163,280.07x = 244,657.80 × 137,036.07
  4. Step 4: Simplify right side
    163,280.07x = 33,526,943,406.85
  5. Step 5: Solve for x
    x = 33,526,943,406.85/163,280.07
  6. Step 6: Final answer
    x = 205,333.96

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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.