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Finding the Fourth Proportional to 346,549.80, 519,776.10 and 109,916.40

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Solution

The fourth proportional to 346,549.80, 519,776.10 and 109,916.40 is: 164,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,549.80 : 519,776.10 = 109,916.40 : x
  2. Step 2: Convert to fraction form
    346,549.80/519,776.10 = 109,916.40/x
  3. Step 3: Cross multiply
    346,549.80x = 519,776.10 × 109,916.40
  4. Step 4: Simplify right side
    346,549.80x = 57,131,917,718.04
  5. Step 5: Solve for x
    x = 57,131,917,718.04/346,549.80
  6. Step 6: Final answer
    x = 164,859.19

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