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Finding the Fourth Proportional to 104,480.10, 156,720.15 and 63,008.10

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Solution

The fourth proportional to 104,480.10, 156,720.15 and 63,008.10 is: 94,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,480.10 : 156,720.15 = 63,008.10 : x
  2. Step 2: Convert to fraction form
    104,480.10/156,720.15 = 63,008.10/x
  3. Step 3: Cross multiply
    104,480.10x = 156,720.15 × 63,008.10
  4. Step 4: Simplify right side
    104,480.10x = 9,874,638,883.22
  5. Step 5: Solve for x
    x = 9,874,638,883.22/104,480.10
  6. Step 6: Final answer
    x = 94,512.15

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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.