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Finding the Fourth Proportional to 169,570.76, 254,162.64 and 68,303.96

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Solution

The fourth proportional to 169,570.76, 254,162.64 and 68,303.96 is: 102,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,570.76 : 254,162.64 = 68,303.96 : x
  2. Step 2: Convert to fraction form
    169,570.76/254,162.64 = 68,303.96/x
  3. Step 3: Cross multiply
    169,570.76x = 254,162.64 × 68,303.96
  4. Step 4: Simplify right side
    169,570.76x = 17,360,315,431.46
  5. Step 5: Solve for x
    x = 17,360,315,431.46/169,570.76
  6. Step 6: Final answer
    x = 102,378.00

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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.