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Finding the Fourth Proportional to 172,358.66, 237,854.36 and 96,907.16

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Solution

The fourth proportional to 172,358.66, 237,854.36 and 96,907.16 is: 133,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,358.66 : 237,854.36 = 96,907.16 : x
  2. Step 2: Convert to fraction form
    172,358.66/237,854.36 = 96,907.16/x
  3. Step 3: Cross multiply
    172,358.66x = 237,854.36 × 96,907.16
  4. Step 4: Simplify right side
    172,358.66x = 23,049,790,521.22
  5. Step 5: Solve for x
    x = 23,049,790,521.22/172,358.66
  6. Step 6: Final answer
    x = 133,731.55

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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.