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Finding the Fourth Proportional to 234,950.95, 324,232.58 and 127,521

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Solution

The fourth proportional to 234,950.95, 324,232.58 and 127,521 is: 175,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,950.95 : 324,232.58 = 127,521 : x
  2. Step 2: Convert to fraction form
    234,950.95/324,232.58 = 127,521/x
  3. Step 3: Cross multiply
    234,950.95x = 324,232.58 × 127,521
  4. Step 4: Simplify right side
    234,950.95x = 41,346,463,152.98
  5. Step 5: Solve for x
    x = 41,346,463,152.98/234,950.95
  6. Step 6: Final answer
    x = 175,979.13

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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.