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Finding the Fourth Proportional to 169,505.76, 254,160.18 and 64,267.32

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Solution

The fourth proportional to 169,505.76, 254,160.18 and 64,267.32 is: 96,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,505.76 : 254,160.18 = 64,267.32 : x
  2. Step 2: Convert to fraction form
    169,505.76/254,160.18 = 64,267.32/x
  3. Step 3: Cross multiply
    169,505.76x = 254,160.18 × 64,267.32
  4. Step 4: Simplify right side
    169,505.76x = 16,334,193,619.32
  5. Step 5: Solve for x
    x = 16,334,193,619.32/169,505.76
  6. Step 6: Final answer
    x = 96,363.65

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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.