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Finding the Fourth Proportional to 172,498.64, 238,050.81 and 96,018.57

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Solution

The fourth proportional to 172,498.64, 238,050.81 and 96,018.57 is: 132,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,498.64 : 238,050.81 = 96,018.57 : x
  2. Step 2: Convert to fraction form
    172,498.64/238,050.81 = 96,018.57/x
  3. Step 3: Cross multiply
    172,498.64x = 238,050.81 × 96,018.57
  4. Step 4: Simplify right side
    172,498.64x = 22,857,299,256.23
  5. Step 5: Solve for x
    x = 22,857,299,256.23/172,498.64
  6. Step 6: Final answer
    x = 132,507.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.