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Finding the Fourth Proportional to 169,417.48, 254,029 and 64,169.32

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Solution

The fourth proportional to 169,417.48, 254,029 and 64,169.32 is: 96,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,417.48 : 254,029 = 64,169.32 : x
  2. Step 2: Convert to fraction form
    169,417.48/254,029 = 64,169.32/x
  3. Step 3: Cross multiply
    169,417.48x = 254,029 × 64,169.32
  4. Step 4: Simplify right side
    169,417.48x = 16,300,868,190.28
  5. Step 5: Solve for x
    x = 16,300,868,190.28/169,417.48
  6. Step 6: Final answer
    x = 96,217.16

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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.