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Finding the Fourth Proportional to 91,681.48, 137,415.79 and 34,719.18

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Solution

The fourth proportional to 91,681.48, 137,415.79 and 34,719.18 is: 52,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,681.48 : 137,415.79 = 34,719.18 : x
  2. Step 2: Convert to fraction form
    91,681.48/137,415.79 = 34,719.18/x
  3. Step 3: Cross multiply
    91,681.48x = 137,415.79 × 34,719.18
  4. Step 4: Simplify right side
    91,681.48x = 4,770,963,547.85
  5. Step 5: Solve for x
    x = 4,770,963,547.85/91,681.48
  6. Step 6: Final answer
    x = 52,038.47

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