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Finding the Fourth Proportional to 131,061.60, 196,462.80 and 52,070.40

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Solution

The fourth proportional to 131,061.60, 196,462.80 and 52,070.40 is: 78,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,061.60 : 196,462.80 = 52,070.40 : x
  2. Step 2: Convert to fraction form
    131,061.60/196,462.80 = 52,070.40/x
  3. Step 3: Cross multiply
    131,061.60x = 196,462.80 × 52,070.40
  4. Step 4: Simplify right side
    131,061.60x = 10,229,896,581.12
  5. Step 5: Solve for x
    x = 10,229,896,581.12/131,061.60
  6. Step 6: Final answer
    x = 78,054.11

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