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Finding the Fourth Proportional to 176,073,471.20, 264,110,206.80 and 89,980,029.20

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Solution

The fourth proportional to 176,073,471.20, 264,110,206.80 and 89,980,029.20 is: 134,970,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,073,471.20 : 264,110,206.80 = 89,980,029.20 : x
  2. Step 2: Convert to fraction form
    176,073,471.20/264,110,206.80 = 89,980,029.20/x
  3. Step 3: Cross multiply
    176,073,471.20x = 264,110,206.80 × 89,980,029.20
  4. Step 4: Simplify right side
    176,073,471.20x = 23,764,644,119,882,040
  5. Step 5: Solve for x
    x = 23,764,644,119,882,040/176,073,471.20
  6. Step 6: Final answer
    x = 134,970,043.80

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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.