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Finding the Fourth Proportional to 30,545,207.60, 45,817,811.40 and 30,545,207.60

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Solution

The fourth proportional to 30,545,207.60, 45,817,811.40 and 30,545,207.60 is: 45,817,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545,207.60 : 45,817,811.40 = 30,545,207.60 : x
  2. Step 2: Convert to fraction form
    30,545,207.60/45,817,811.40 = 30,545,207.60/x
  3. Step 3: Cross multiply
    30,545,207.60x = 45,817,811.40 × 30,545,207.60
  4. Step 4: Simplify right side
    30,545,207.60x = 1,399,514,560,990,646.75
  5. Step 5: Solve for x
    x = 1,399,514,560,990,646.75/30,545,207.60
  6. Step 6: Final answer
    x = 45,817,811.40

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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.