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Finding the Fourth Proportional to 172,492.36, 237,952.36 and 100,825.56

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Solution

The fourth proportional to 172,492.36, 237,952.36 and 100,825.56 is: 139,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,492.36 : 237,952.36 = 100,825.56 : x
  2. Step 2: Convert to fraction form
    172,492.36/237,952.36 = 100,825.56/x
  3. Step 3: Cross multiply
    172,492.36x = 237,952.36 × 100,825.56
  4. Step 4: Simplify right side
    172,492.36x = 23,991,679,950.32
  5. Step 5: Solve for x
    x = 23,991,679,950.32/172,492.36
  6. Step 6: Final answer
    x = 139,088.36

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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.