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Finding the Fourth Proportional to 157,238.17, 235,894.15 and 44,920

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Solution

The fourth proportional to 157,238.17, 235,894.15 and 44,920 is: 67,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,238.17 : 235,894.15 = 44,920 : x
  2. Step 2: Convert to fraction form
    157,238.17/235,894.15 = 44,920/x
  3. Step 3: Cross multiply
    157,238.17x = 235,894.15 × 44,920
  4. Step 4: Simplify right side
    157,238.17x = 10,596,365,218
  5. Step 5: Solve for x
    x = 10,596,365,218/157,238.17
  6. Step 6: Final answer
    x = 67,390.54

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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.