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Finding the Fourth Proportional to 53,808,540.80, 80,712,811.20 and 32,267,465.60

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Solution

The fourth proportional to 53,808,540.80, 80,712,811.20 and 32,267,465.60 is: 48,401,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,808,540.80 : 80,712,811.20 = 32,267,465.60 : x
  2. Step 2: Convert to fraction form
    53,808,540.80/80,712,811.20 = 32,267,465.60/x
  3. Step 3: Cross multiply
    53,808,540.80x = 80,712,811.20 × 32,267,465.60
  4. Step 4: Simplify right side
    53,808,540.80x = 2,604,397,858,875,295
  5. Step 5: Solve for x
    x = 2,604,397,858,875,295/53,808,540.80
  6. Step 6: Final answer
    x = 48,401,198.40

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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.