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Finding the Fourth Proportional to 157,994.40, 237,005.76 and 45,672.96

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Solution

The fourth proportional to 157,994.40, 237,005.76 and 45,672.96 is: 68,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,994.40 : 237,005.76 = 45,672.96 : x
  2. Step 2: Convert to fraction form
    157,994.40/237,005.76 = 45,672.96/x
  3. Step 3: Cross multiply
    157,994.40x = 237,005.76 × 45,672.96
  4. Step 4: Simplify right side
    157,994.40x = 10,824,754,596.25
  5. Step 5: Solve for x
    x = 10,824,754,596.25/157,994.40
  6. Step 6: Final answer
    x = 68,513.53

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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.