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Finding the Fourth Proportional to 104,929.51, 157,440.74 and 54,997.74

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Solution

The fourth proportional to 104,929.51, 157,440.74 and 54,997.74 is: 82,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.51 : 157,440.74 = 54,997.74 : x
  2. Step 2: Convert to fraction form
    104,929.51/157,440.74 = 54,997.74/x
  3. Step 3: Cross multiply
    104,929.51x = 157,440.74 × 54,997.74
  4. Step 4: Simplify right side
    104,929.51x = 8,658,884,327.90
  5. Step 5: Solve for x
    x = 8,658,884,327.90/104,929.51
  6. Step 6: Final answer
    x = 82,520.96

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1.5x scale

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.