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Finding the Fourth Proportional to 76,117.09, 105,038.98 and 42,127.01

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Solution

The fourth proportional to 76,117.09, 105,038.98 and 42,127.01 is: 58,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,117.09 : 105,038.98 = 42,127.01 : x
  2. Step 2: Convert to fraction form
    76,117.09/105,038.98 = 42,127.01/x
  3. Step 3: Cross multiply
    76,117.09x = 105,038.98 × 42,127.01
  4. Step 4: Simplify right side
    76,117.09x = 4,424,978,160.85
  5. Step 5: Solve for x
    x = 4,424,978,160.85/76,117.09
  6. Step 6: Final answer
    x = 58,133.83

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