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Finding the Fourth Proportional to 170,778.76, 235,790.94 and 110,495.32

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Solution

The fourth proportional to 170,778.76, 235,790.94 and 110,495.32 is: 152,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,778.76 : 235,790.94 = 110,495.32 : x
  2. Step 2: Convert to fraction form
    170,778.76/235,790.94 = 110,495.32/x
  3. Step 3: Cross multiply
    170,778.76x = 235,790.94 × 110,495.32
  4. Step 4: Simplify right side
    170,778.76x = 26,053,795,368.40
  5. Step 5: Solve for x
    x = 26,053,795,368.40/170,778.76
  6. Step 6: Final answer
    x = 152,558.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.