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Finding the Fourth Proportional to 152,490.13, 210,430.30 and 84,510.01

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Solution

The fourth proportional to 152,490.13, 210,430.30 and 84,510.01 is: 116,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,490.13 : 210,430.30 = 84,510.01 : x
  2. Step 2: Convert to fraction form
    152,490.13/210,430.30 = 84,510.01/x
  3. Step 3: Cross multiply
    152,490.13x = 210,430.30 × 84,510.01
  4. Step 4: Simplify right side
    152,490.13x = 17,783,466,757.30
  5. Step 5: Solve for x
    x = 17,783,466,757.30/152,490.13
  6. Step 6: Final answer
    x = 116,620.44

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