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Finding the Fourth Proportional to 357,994.72, 537,004.08 and 108,676

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Solution

The fourth proportional to 357,994.72, 537,004.08 and 108,676 is: 163,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,994.72 : 537,004.08 = 108,676 : x
  2. Step 2: Convert to fraction form
    357,994.72/537,004.08 = 108,676/x
  3. Step 3: Cross multiply
    357,994.72x = 537,004.08 × 108,676
  4. Step 4: Simplify right side
    357,994.72x = 58,359,455,398.08
  5. Step 5: Solve for x
    x = 58,359,455,398.08/357,994.72
  6. Step 6: Final answer
    x = 163,017.64

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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.