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Finding the Fourth Proportional to 157,323.84, 235,981.44 and 38,992.56

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Solution

The fourth proportional to 157,323.84, 235,981.44 and 38,992.56 is: 58,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,323.84 : 235,981.44 = 38,992.56 : x
  2. Step 2: Convert to fraction form
    157,323.84/235,981.44 = 38,992.56/x
  3. Step 3: Cross multiply
    157,323.84x = 235,981.44 × 38,992.56
  4. Step 4: Simplify right side
    157,323.84x = 9,201,520,458.09
  5. Step 5: Solve for x
    x = 9,201,520,458.09/157,323.84
  6. Step 6: Final answer
    x = 58,487.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.