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Finding the Fourth Proportional to 316,157.54, 474,205.52 and 173,956.05

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Solution

The fourth proportional to 316,157.54, 474,205.52 and 173,956.05 is: 260,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,157.54 : 474,205.52 = 173,956.05 : x
  2. Step 2: Convert to fraction form
    316,157.54/474,205.52 = 173,956.05/x
  3. Step 3: Cross multiply
    316,157.54x = 474,205.52 × 173,956.05
  4. Step 4: Simplify right side
    316,157.54x = 82,490,918,277.62
  5. Step 5: Solve for x
    x = 82,490,918,277.62/316,157.54
  6. Step 6: Final answer
    x = 260,917.14

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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.