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Finding the Fourth Proportional to 169,798.01, 254,696.72 and 45,139.01

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Solution

The fourth proportional to 169,798.01, 254,696.72 and 45,139.01 is: 67,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,798.01 : 254,696.72 = 45,139.01 : x
  2. Step 2: Convert to fraction form
    169,798.01/254,696.72 = 45,139.01/x
  3. Step 3: Cross multiply
    169,798.01x = 254,696.72 × 45,139.01
  4. Step 4: Simplify right side
    169,798.01x = 11,496,756,291.87
  5. Step 5: Solve for x
    x = 11,496,756,291.87/169,798.01
  6. Step 6: Final answer
    x = 67,708.43

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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.