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Finding the Fourth Proportional to 104,892.84, 157,300.32 and 56,851.92

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Solution

The fourth proportional to 104,892.84, 157,300.32 and 56,851.92 is: 85,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,892.84 : 157,300.32 = 56,851.92 : x
  2. Step 2: Convert to fraction form
    104,892.84/157,300.32 = 56,851.92/x
  3. Step 3: Cross multiply
    104,892.84x = 157,300.32 × 56,851.92
  4. Step 4: Simplify right side
    104,892.84x = 8,942,825,208.61
  5. Step 5: Solve for x
    x = 8,942,825,208.61/104,892.84
  6. Step 6: Final answer
    x = 85,256.77

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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.