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Finding the Fourth Proportional to 169,628.10, 254,365.35 and 64,412.10

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Solution

The fourth proportional to 169,628.10, 254,365.35 and 64,412.10 is: 96,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,628.10 : 254,365.35 = 64,412.10 : x
  2. Step 2: Convert to fraction form
    169,628.10/254,365.35 = 64,412.10/x
  3. Step 3: Cross multiply
    169,628.10x = 254,365.35 × 64,412.10
  4. Step 4: Simplify right side
    169,628.10x = 16,384,206,360.74
  5. Step 5: Solve for x
    x = 16,384,206,360.74/169,628.10
  6. Step 6: Final answer
    x = 96,588.99

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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.