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Finding the Fourth Proportional to 42,191.66, 63,256.24 and 25,547.78

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Solution

The fourth proportional to 42,191.66, 63,256.24 and 25,547.78 is: 38,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,191.66 : 63,256.24 = 25,547.78 : x
  2. Step 2: Convert to fraction form
    42,191.66/63,256.24 = 25,547.78/x
  3. Step 3: Cross multiply
    42,191.66x = 63,256.24 × 25,547.78
  4. Step 4: Simplify right side
    42,191.66x = 1,616,056,503.15
  5. Step 5: Solve for x
    x = 1,616,056,503.15/42,191.66
  6. Step 6: Final answer
    x = 38,302.75

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