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Finding the Fourth Proportional to 372,102,978.24, 513,502,116.84 and 207,129,520.08

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Solution

The fourth proportional to 372,102,978.24, 513,502,116.84 and 207,129,520.08 is: 285,838,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,102,978.24 : 513,502,116.84 = 207,129,520.08 : x
  2. Step 2: Convert to fraction form
    372,102,978.24/513,502,116.84 = 207,129,520.08/x
  3. Step 3: Cross multiply
    372,102,978.24x = 513,502,116.84 × 207,129,520.08
  4. Step 4: Simplify right side
    372,102,978.24x = 106,361,447,021,133,280
  5. Step 5: Solve for x
    x = 106,361,447,021,133,280/372,102,978.24
  6. Step 6: Final answer
    x = 285,838,741.53

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