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Finding the Fourth Proportional to 74,802.84, 112,134.99 and 39,256.80

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Solution

The fourth proportional to 74,802.84, 112,134.99 and 39,256.80 is: 58,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,802.84 : 112,134.99 = 39,256.80 : x
  2. Step 2: Convert to fraction form
    74,802.84/112,134.99 = 39,256.80/x
  3. Step 3: Cross multiply
    74,802.84x = 112,134.99 × 39,256.80
  4. Step 4: Simplify right side
    74,802.84x = 4,402,060,875.43
  5. Step 5: Solve for x
    x = 4,402,060,875.43/74,802.84
  6. Step 6: Final answer
    x = 58,848.85

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