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Finding the Fourth Proportional to 464,077.76, 696,123.11 and 131,653.76

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Solution

The fourth proportional to 464,077.76, 696,123.11 and 131,653.76 is: 197,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,077.76 : 696,123.11 = 131,653.76 : x
  2. Step 2: Convert to fraction form
    464,077.76/696,123.11 = 131,653.76/x
  3. Step 3: Cross multiply
    464,077.76x = 696,123.11 × 131,653.76
  4. Step 4: Simplify right side
    464,077.76x = 91,647,221,702.91
  5. Step 5: Solve for x
    x = 91,647,221,702.91/464,077.76
  6. Step 6: Final answer
    x = 197,482.47

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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.