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Finding the Fourth Proportional to 53,266.60, 79,899.90 and 31,068.55

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Solution

The fourth proportional to 53,266.60, 79,899.90 and 31,068.55 is: 46,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,266.60 : 79,899.90 = 31,068.55 : x
  2. Step 2: Convert to fraction form
    53,266.60/79,899.90 = 31,068.55/x
  3. Step 3: Cross multiply
    53,266.60x = 79,899.90 × 31,068.55
  4. Step 4: Simplify right side
    53,266.60x = 2,482,374,038.15
  5. Step 5: Solve for x
    x = 2,482,374,038.15/53,266.60
  6. Step 6: Final answer
    x = 46,602.83

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