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Finding the Fourth Proportional to 79,064.48, 118,440.88 and 64,290.08

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Solution

The fourth proportional to 79,064.48, 118,440.88 and 64,290.08 is: 96,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,064.48 : 118,440.88 = 64,290.08 : x
  2. Step 2: Convert to fraction form
    79,064.48/118,440.88 = 64,290.08/x
  3. Step 3: Cross multiply
    79,064.48x = 118,440.88 × 64,290.08
  4. Step 4: Simplify right side
    79,064.48x = 7,614,573,650.47
  5. Step 5: Solve for x
    x = 7,614,573,650.47/79,064.48
  6. Step 6: Final answer
    x = 96,308.40

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