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Finding the Fourth Proportional to 46,339,978.60, 69,534,851.10 and 19,416,356.20

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Solution

The fourth proportional to 46,339,978.60, 69,534,851.10 and 19,416,356.20 is: 29,134,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,339,978.60 : 69,534,851.10 = 19,416,356.20 : x
  2. Step 2: Convert to fraction form
    46,339,978.60/69,534,851.10 = 19,416,356.20/x
  3. Step 3: Cross multiply
    46,339,978.60x = 69,534,851.10 × 19,416,356.20
  4. Step 4: Simplify right side
    46,339,978.60x = 1,350,113,437,271,561.75
  5. Step 5: Solve for x
    x = 1,350,113,437,271,561.75/46,339,978.60
  6. Step 6: Final answer
    x = 29,134,960.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.