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Finding the Fourth Proportional to 34,339,978.30, 51,509,967.45 and 10,402,339.90

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Solution

The fourth proportional to 34,339,978.30, 51,509,967.45 and 10,402,339.90 is: 15,603,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,339,978.30 : 51,509,967.45 = 10,402,339.90 : x
  2. Step 2: Convert to fraction form
    34,339,978.30/51,509,967.45 = 10,402,339.90/x
  3. Step 3: Cross multiply
    34,339,978.30x = 51,509,967.45 × 10,402,339.90
  4. Step 4: Simplify right side
    34,339,978.30x = 535,824,189,652,836.31
  5. Step 5: Solve for x
    x = 535,824,189,652,836.31/34,339,978.30
  6. Step 6: Final answer
    x = 15,603,509.85

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