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Finding the Fourth Proportional to 104,571.61, 156,728.93 and 48,335.64

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Solution

The fourth proportional to 104,571.61, 156,728.93 and 48,335.64 is: 72,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,571.61 : 156,728.93 = 48,335.64 : x
  2. Step 2: Convert to fraction form
    104,571.61/156,728.93 = 48,335.64/x
  3. Step 3: Cross multiply
    104,571.61x = 156,728.93 × 48,335.64
  4. Step 4: Simplify right side
    104,571.61x = 7,575,592,308.65
  5. Step 5: Solve for x
    x = 7,575,592,308.65/104,571.61
  6. Step 6: Final answer
    x = 72,444.06

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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.