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Finding the Fourth Proportional to 88,762,978.80, 133,060,487.40 and 52,399,292.40

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Solution

The fourth proportional to 88,762,978.80, 133,060,487.40 and 52,399,292.40 is: 78,549,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,762,978.80 : 133,060,487.40 = 52,399,292.40 : x
  2. Step 2: Convert to fraction form
    88,762,978.80/133,060,487.40 = 52,399,292.40/x
  3. Step 3: Cross multiply
    88,762,978.80x = 133,060,487.40 × 52,399,292.40
  4. Step 4: Simplify right side
    88,762,978.80x = 6,972,275,386,159,116
  5. Step 5: Solve for x
    x = 6,972,275,386,159,116/88,762,978.80
  6. Step 6: Final answer
    x = 78,549,362.36

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