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Finding the Fourth Proportional to 117,008.10, 175,512.15 and 104,760.90

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Solution

The fourth proportional to 117,008.10, 175,512.15 and 104,760.90 is: 157,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,008.10 : 175,512.15 = 104,760.90 : x
  2. Step 2: Convert to fraction form
    117,008.10/175,512.15 = 104,760.90/x
  3. Step 3: Cross multiply
    117,008.10x = 175,512.15 × 104,760.90
  4. Step 4: Simplify right side
    117,008.10x = 18,386,810,794.94
  5. Step 5: Solve for x
    x = 18,386,810,794.94/117,008.10
  6. Step 6: Final answer
    x = 157,141.35

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1.5x scale

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.