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Finding the Fourth Proportional to 143,430.16, 215,108.70 and 101,702.20

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Solution

The fourth proportional to 143,430.16, 215,108.70 and 101,702.20 is: 152,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,430.16 : 215,108.70 = 101,702.20 : x
  2. Step 2: Convert to fraction form
    143,430.16/215,108.70 = 101,702.20/x
  3. Step 3: Cross multiply
    143,430.16x = 215,108.70 × 101,702.20
  4. Step 4: Simplify right side
    143,430.16x = 21,877,028,029.14
  5. Step 5: Solve for x
    x = 21,877,028,029.14/143,430.16
  6. Step 6: Final answer
    x = 152,527.39

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