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Finding the Fourth Proportional to 98,571.04, 136,028.16 and 53,859.04

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Solution

The fourth proportional to 98,571.04, 136,028.16 and 53,859.04 is: 74,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,571.04 : 136,028.16 = 53,859.04 : x
  2. Step 2: Convert to fraction form
    98,571.04/136,028.16 = 53,859.04/x
  3. Step 3: Cross multiply
    98,571.04x = 136,028.16 × 53,859.04
  4. Step 4: Simplify right side
    98,571.04x = 7,326,346,110.57
  5. Step 5: Solve for x
    x = 7,326,346,110.57/98,571.04
  6. Step 6: Final answer
    x = 74,325.54

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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.