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Finding the Fourth Proportional to 119,955,609.72, 179,933,414.58 and 29,079,198.72

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Solution

The fourth proportional to 119,955,609.72, 179,933,414.58 and 29,079,198.72 is: 43,618,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,955,609.72 : 179,933,414.58 = 29,079,198.72 : x
  2. Step 2: Convert to fraction form
    119,955,609.72/179,933,414.58 = 29,079,198.72/x
  3. Step 3: Cross multiply
    119,955,609.72x = 179,933,414.58 × 29,079,198.72
  4. Step 4: Simplify right side
    119,955,609.72x = 5,232,319,518,939,966
  5. Step 5: Solve for x
    x = 5,232,319,518,939,966/119,955,609.72
  6. Step 6: Final answer
    x = 43,618,798.08

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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.