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Finding the Fourth Proportional to 318,116.08, 477,174.12 and 107,901.64

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Solution

The fourth proportional to 318,116.08, 477,174.12 and 107,901.64 is: 161,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,116.08 : 477,174.12 = 107,901.64 : x
  2. Step 2: Convert to fraction form
    318,116.08/477,174.12 = 107,901.64/x
  3. Step 3: Cross multiply
    318,116.08x = 477,174.12 × 107,901.64
  4. Step 4: Simplify right side
    318,116.08x = 51,487,870,113.56
  5. Step 5: Solve for x
    x = 51,487,870,113.56/318,116.08
  6. Step 6: Final answer
    x = 161,852.46

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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.