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Finding the Fourth Proportional to 104,458.36, 144,215.36 and 98,480.56

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Solution

The fourth proportional to 104,458.36, 144,215.36 and 98,480.56 is: 135,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,458.36 : 144,215.36 = 98,480.56 : x
  2. Step 2: Convert to fraction form
    104,458.36/144,215.36 = 98,480.56/x
  3. Step 3: Cross multiply
    104,458.36x = 144,215.36 × 98,480.56
  4. Step 4: Simplify right side
    104,458.36x = 14,202,409,413.40
  5. Step 5: Solve for x
    x = 14,202,409,413.40/104,458.36
  6. Step 6: Final answer
    x = 135,962.40

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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.