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Finding the Fourth Proportional to 132,894,012.80, 185,598,121.60 and 132,894,012.80

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Solution

The fourth proportional to 132,894,012.80, 185,598,121.60 and 132,894,012.80 is: 185,598,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,894,012.80 : 185,598,121.60 = 132,894,012.80 : x
  2. Step 2: Convert to fraction form
    132,894,012.80/185,598,121.60 = 132,894,012.80/x
  3. Step 3: Cross multiply
    132,894,012.80x = 185,598,121.60 × 132,894,012.80
  4. Step 4: Simplify right side
    132,894,012.80x = 24,664,879,147,566,356
  5. Step 5: Solve for x
    x = 24,664,879,147,566,356/132,894,012.80
  6. Step 6: Final answer
    x = 185,598,121.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.