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Finding the Fourth Proportional to 188,003.40, 282,005.10 and 160,009.80

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Solution

The fourth proportional to 188,003.40, 282,005.10 and 160,009.80 is: 240,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,003.40 : 282,005.10 = 160,009.80 : x
  2. Step 2: Convert to fraction form
    188,003.40/282,005.10 = 160,009.80/x
  3. Step 3: Cross multiply
    188,003.40x = 282,005.10 × 160,009.80
  4. Step 4: Simplify right side
    188,003.40x = 45,123,579,649.98
  5. Step 5: Solve for x
    x = 45,123,579,649.98/188,003.40
  6. Step 6: Final answer
    x = 240,014.70

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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.