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Finding the Fourth Proportional to 139,875, 192,945.07 and 98,993.13

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Solution

The fourth proportional to 139,875, 192,945.07 and 98,993.13 is: 136,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,875 : 192,945.07 = 98,993.13 : x
  2. Step 2: Convert to fraction form
    139,875/192,945.07 = 98,993.13/x
  3. Step 3: Cross multiply
    139,875x = 192,945.07 × 98,993.13
  4. Step 4: Simplify right side
    139,875x = 19,100,236,397.37
  5. Step 5: Solve for x
    x = 19,100,236,397.37/139,875
  6. Step 6: Final answer
    x = 136,552.18

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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.