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Finding the Fourth Proportional to 104,480.15, 156,746.75 and 48,360.74

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Solution

The fourth proportional to 104,480.15, 156,746.75 and 48,360.74 is: 72,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,480.15 : 156,746.75 = 48,360.74 : x
  2. Step 2: Convert to fraction form
    104,480.15/156,746.75 = 48,360.74/x
  3. Step 3: Cross multiply
    104,480.15x = 156,746.75 × 48,360.74
  4. Step 4: Simplify right side
    104,480.15x = 7,580,387,797.06
  5. Step 5: Solve for x
    x = 7,580,387,797.06/104,480.15
  6. Step 6: Final answer
    x = 72,553.38

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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.