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Finding the Fourth Proportional to 30,545,218.60, 45,817,827.90 and 30,545,218.60

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Solution

The fourth proportional to 30,545,218.60, 45,817,827.90 and 30,545,218.60 is: 45,817,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545,218.60 : 45,817,827.90 = 30,545,218.60 : x
  2. Step 2: Convert to fraction form
    30,545,218.60/45,817,827.90 = 30,545,218.60/x
  3. Step 3: Cross multiply
    30,545,218.60x = 45,817,827.90 × 30,545,218.60
  4. Step 4: Simplify right side
    30,545,218.60x = 1,399,515,568,982,679
  5. Step 5: Solve for x
    x = 1,399,515,568,982,679/30,545,218.60
  6. Step 6: Final answer
    x = 45,817,827.90

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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.