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Finding the Fourth Proportional to 169,471.09, 254,055.61 and 64,363.87

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Solution

The fourth proportional to 169,471.09, 254,055.61 and 64,363.87 is: 96,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,471.09 : 254,055.61 = 64,363.87 : x
  2. Step 2: Convert to fraction form
    169,471.09/254,055.61 = 64,363.87/x
  3. Step 3: Cross multiply
    169,471.09x = 254,055.61 × 64,363.87
  4. Step 4: Simplify right side
    169,471.09x = 16,352,002,254.81
  5. Step 5: Solve for x
    x = 16,352,002,254.81/169,471.09
  6. Step 6: Final answer
    x = 96,488.45

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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.