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Finding the Fourth Proportional to 114,543.51, 171,774.08 and 39,643.32

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Solution

The fourth proportional to 114,543.51, 171,774.08 and 39,643.32 is: 59,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,543.51 : 171,774.08 = 39,643.32 : x
  2. Step 2: Convert to fraction form
    114,543.51/171,774.08 = 39,643.32/x
  3. Step 3: Cross multiply
    114,543.51x = 171,774.08 × 39,643.32
  4. Step 4: Simplify right side
    114,543.51x = 6,809,694,622.93
  5. Step 5: Solve for x
    x = 6,809,694,622.93/114,543.51
  6. Step 6: Final answer
    x = 59,450.72

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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.