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Finding the Fourth Proportional to 93,655.84, 129,390.60 and 78,525.04

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Solution

The fourth proportional to 93,655.84, 129,390.60 and 78,525.04 is: 108,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,655.84 : 129,390.60 = 78,525.04 : x
  2. Step 2: Convert to fraction form
    93,655.84/129,390.60 = 78,525.04/x
  3. Step 3: Cross multiply
    93,655.84x = 129,390.60 × 78,525.04
  4. Step 4: Simplify right side
    93,655.84x = 10,160,402,040.62
  5. Step 5: Solve for x
    x = 10,160,402,040.62/93,655.84
  6. Step 6: Final answer
    x = 108,486.58

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