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Finding the Fourth Proportional to 104,590.46, 156,798.24 and 48,470.79

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Solution

The fourth proportional to 104,590.46, 156,798.24 and 48,470.79 is: 72,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,590.46 : 156,798.24 = 48,470.79 : x
  2. Step 2: Convert to fraction form
    104,590.46/156,798.24 = 48,470.79/x
  3. Step 3: Cross multiply
    104,590.46x = 156,798.24 × 48,470.79
  4. Step 4: Simplify right side
    104,590.46x = 7,600,134,563.41
  5. Step 5: Solve for x
    x = 7,600,134,563.41/104,590.46
  6. Step 6: Final answer
    x = 72,665.66

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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.