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Finding the Fourth Proportional to 153,910.10, 230,865.15 and 104,014.10

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Solution

The fourth proportional to 153,910.10, 230,865.15 and 104,014.10 is: 156,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,910.10 : 230,865.15 = 104,014.10 : x
  2. Step 2: Convert to fraction form
    153,910.10/230,865.15 = 104,014.10/x
  3. Step 3: Cross multiply
    153,910.10x = 230,865.15 × 104,014.10
  4. Step 4: Simplify right side
    153,910.10x = 24,013,230,798.62
  5. Step 5: Solve for x
    x = 24,013,230,798.62/153,910.10
  6. Step 6: Final answer
    x = 156,021.15

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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.