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Finding the Fourth Proportional to 125,580.96, 188,444.88 and 46,751.04

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Solution

The fourth proportional to 125,580.96, 188,444.88 and 46,751.04 is: 70,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,580.96 : 188,444.88 = 46,751.04 : x
  2. Step 2: Convert to fraction form
    125,580.96/188,444.88 = 46,751.04/x
  3. Step 3: Cross multiply
    125,580.96x = 188,444.88 × 46,751.04
  4. Step 4: Simplify right side
    125,580.96x = 8,809,994,122.68
  5. Step 5: Solve for x
    x = 8,809,994,122.68/125,580.96
  6. Step 6: Final answer
    x = 70,153.90

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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.