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Finding the Fourth Proportional to 125,581.96, 188,446.38 and 46,752.04

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Solution

The fourth proportional to 125,581.96, 188,446.38 and 46,752.04 is: 70,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,581.96 : 188,446.38 = 46,752.04 : x
  2. Step 2: Convert to fraction form
    125,581.96/188,446.38 = 46,752.04/x
  3. Step 3: Cross multiply
    125,581.96x = 188,446.38 × 46,752.04
  4. Step 4: Simplify right side
    125,581.96x = 8,810,252,695.62
  5. Step 5: Solve for x
    x = 8,810,252,695.62/125,581.96
  6. Step 6: Final answer
    x = 70,155.40

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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.