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Finding the Fourth Proportional to 160,029.01, 240,108.06 and 71,221.77

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Solution

The fourth proportional to 160,029.01, 240,108.06 and 71,221.77 is: 106,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,029.01 : 240,108.06 = 71,221.77 : x
  2. Step 2: Convert to fraction form
    160,029.01/240,108.06 = 71,221.77/x
  3. Step 3: Cross multiply
    160,029.01x = 240,108.06 × 71,221.77
  4. Step 4: Simplify right side
    160,029.01x = 17,100,921,024.47
  5. Step 5: Solve for x
    x = 17,100,921,024.47/160,029.01
  6. Step 6: Final answer
    x = 106,861.38

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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.