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Finding the Fourth Proportional to 106,903.21, 160,353.13 and 36,783.13

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Solution

The fourth proportional to 106,903.21, 160,353.13 and 36,783.13 is: 55,174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,903.21 : 160,353.13 = 36,783.13 : x
  2. Step 2: Convert to fraction form
    106,903.21/160,353.13 = 36,783.13/x
  3. Step 3: Cross multiply
    106,903.21x = 160,353.13 × 36,783.13
  4. Step 4: Simplify right side
    106,903.21x = 5,898,290,026.70
  5. Step 5: Solve for x
    x = 5,898,290,026.70/106,903.21
  6. Step 6: Final answer
    x = 55,174.12

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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.