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Finding the Fourth Proportional to 348,887.70, 522,999.32 and 112,064.36

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Solution

The fourth proportional to 348,887.70, 522,999.32 and 112,064.36 is: 167,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,887.70 : 522,999.32 = 112,064.36 : x
  2. Step 2: Convert to fraction form
    348,887.70/522,999.32 = 112,064.36/x
  3. Step 3: Cross multiply
    348,887.70x = 522,999.32 × 112,064.36
  4. Step 4: Simplify right side
    348,887.70x = 58,609,580,900.92
  5. Step 5: Solve for x
    x = 58,609,580,900.92/348,887.70
  6. Step 6: Final answer
    x = 167,989.82

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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.