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Finding the Fourth Proportional to 165,873.28, 248,602.08 and 118,413.76

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Solution

The fourth proportional to 165,873.28, 248,602.08 and 118,413.76 is: 177,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,873.28 : 248,602.08 = 118,413.76 : x
  2. Step 2: Convert to fraction form
    165,873.28/248,602.08 = 118,413.76/x
  3. Step 3: Cross multiply
    165,873.28x = 248,602.08 × 118,413.76
  4. Step 4: Simplify right side
    165,873.28x = 29,437,907,036.62
  5. Step 5: Solve for x
    x = 29,437,907,036.62/165,873.28
  6. Step 6: Final answer
    x = 177,472.27

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1.5x scale

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.