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Finding the Fourth Proportional to 98,978.22, 136,597.19 and 56,535.84

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Solution

The fourth proportional to 98,978.22, 136,597.19 and 56,535.84 is: 78,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,978.22 : 136,597.19 = 56,535.84 : x
  2. Step 2: Convert to fraction form
    98,978.22/136,597.19 = 56,535.84/x
  3. Step 3: Cross multiply
    98,978.22x = 136,597.19 × 56,535.84
  4. Step 4: Simplify right side
    98,978.22x = 7,722,636,595.61
  5. Step 5: Solve for x
    x = 7,722,636,595.61/98,978.22
  6. Step 6: Final answer
    x = 78,023.60

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