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Finding the Fourth Proportional to 160,633.89, 221,676.63 and 89,015.13

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Solution

The fourth proportional to 160,633.89, 221,676.63 and 89,015.13 is: 122,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,633.89 : 221,676.63 = 89,015.13 : x
  2. Step 2: Convert to fraction form
    160,633.89/221,676.63 = 89,015.13/x
  3. Step 3: Cross multiply
    160,633.89x = 221,676.63 × 89,015.13
  4. Step 4: Simplify right side
    160,633.89x = 19,732,574,037.41
  5. Step 5: Solve for x
    x = 19,732,574,037.41/160,633.89
  6. Step 6: Final answer
    x = 122,841.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.