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Finding the Fourth Proportional to 216,242.81, 298,413.89 and 119,453.32

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Solution

The fourth proportional to 216,242.81, 298,413.89 and 119,453.32 is: 164,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,242.81 : 298,413.89 = 119,453.32 : x
  2. Step 2: Convert to fraction form
    216,242.81/298,413.89 = 119,453.32/x
  3. Step 3: Cross multiply
    216,242.81x = 298,413.89 × 119,453.32
  4. Step 4: Simplify right side
    216,242.81x = 35,646,529,619.76
  5. Step 5: Solve for x
    x = 35,646,529,619.76/216,242.81
  6. Step 6: Final answer
    x = 164,844.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.