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Finding the Fourth Proportional to 172,351.96, 237,852.47 and 104,330.45

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Solution

The fourth proportional to 172,351.96, 237,852.47 and 104,330.45 is: 143,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,351.96 : 237,852.47 = 104,330.45 : x
  2. Step 2: Convert to fraction form
    172,351.96/237,852.47 = 104,330.45/x
  3. Step 3: Cross multiply
    172,351.96x = 237,852.47 × 104,330.45
  4. Step 4: Simplify right side
    172,351.96x = 24,815,256,084.17
  5. Step 5: Solve for x
    x = 24,815,256,084.17/172,351.96
  6. Step 6: Final answer
    x = 143,980.12

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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.