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Finding the Fourth Proportional to 52,764,258.80, 79,143,763.80 and 27,207,851.60

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Solution

The fourth proportional to 52,764,258.80, 79,143,763.80 and 27,207,851.60 is: 40,810,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,764,258.80 : 79,143,763.80 = 27,207,851.60 : x
  2. Step 2: Convert to fraction form
    52,764,258.80/79,143,763.80 = 27,207,851.60/x
  3. Step 3: Cross multiply
    52,764,258.80x = 79,143,763.80 × 27,207,851.60
  4. Step 4: Simplify right side
    52,764,258.80x = 2,153,331,780,535,852
  5. Step 5: Solve for x
    x = 2,153,331,780,535,852/52,764,258.80
  6. Step 6: Final answer
    x = 40,810,424.13

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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.