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Finding the Fourth Proportional to 205,051.60, 307,577.40 and 167,653.90

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Solution

The fourth proportional to 205,051.60, 307,577.40 and 167,653.90 is: 251,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,051.60 : 307,577.40 = 167,653.90 : x
  2. Step 2: Convert to fraction form
    205,051.60/307,577.40 = 167,653.90/x
  3. Step 3: Cross multiply
    205,051.60x = 307,577.40 × 167,653.90
  4. Step 4: Simplify right side
    205,051.60x = 51,566,550,661.86
  5. Step 5: Solve for x
    x = 51,566,550,661.86/205,051.60
  6. Step 6: Final answer
    x = 251,480.85

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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.