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Finding the Fourth Proportional to 160,649.91, 240,525.57 and 121,083.03

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Solution

The fourth proportional to 160,649.91, 240,525.57 and 121,083.03 is: 181,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,649.91 : 240,525.57 = 121,083.03 : x
  2. Step 2: Convert to fraction form
    160,649.91/240,525.57 = 121,083.03/x
  3. Step 3: Cross multiply
    160,649.91x = 240,525.57 × 121,083.03
  4. Step 4: Simplify right side
    160,649.91x = 29,123,564,808.08
  5. Step 5: Solve for x
    x = 29,123,564,808.08/160,649.91
  6. Step 6: Final answer
    x = 181,285.91

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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.