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Finding the Fourth Proportional to 169,774.40, 254,776.80 and 110,465.60

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Solution

The fourth proportional to 169,774.40, 254,776.80 and 110,465.60 is: 165,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,774.40 : 254,776.80 = 110,465.60 : x
  2. Step 2: Convert to fraction form
    169,774.40/254,776.80 = 110,465.60/x
  3. Step 3: Cross multiply
    169,774.40x = 254,776.80 × 110,465.60
  4. Step 4: Simplify right side
    169,774.40x = 28,144,072,078.08
  5. Step 5: Solve for x
    x = 28,144,072,078.08/169,774.40
  6. Step 6: Final answer
    x = 165,773.36

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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.