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Finding the Fourth Proportional to 71,702,509.60, 107,553,764.40 and 26,268,896.80

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Solution

The fourth proportional to 71,702,509.60, 107,553,764.40 and 26,268,896.80 is: 39,403,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,702,509.60 : 107,553,764.40 = 26,268,896.80 : x
  2. Step 2: Convert to fraction form
    71,702,509.60/107,553,764.40 = 26,268,896.80/x
  3. Step 3: Cross multiply
    71,702,509.60x = 107,553,764.40 × 26,268,896.80
  4. Step 4: Simplify right side
    71,702,509.60x = 2,825,318,737,475,114
  5. Step 5: Solve for x
    x = 2,825,318,737,475,114/71,702,509.60
  6. Step 6: Final answer
    x = 39,403,345.20

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Why These Related Problems?

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