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Finding the Fourth Proportional to 114,900.92, 172,512.84 and 58,781.28

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Solution

The fourth proportional to 114,900.92, 172,512.84 and 58,781.28 is: 88,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,900.92 : 172,512.84 = 58,781.28 : x
  2. Step 2: Convert to fraction form
    114,900.92/172,512.84 = 58,781.28/x
  3. Step 3: Cross multiply
    114,900.92x = 172,512.84 × 58,781.28
  4. Step 4: Simplify right side
    114,900.92x = 10,140,525,551.64
  5. Step 5: Solve for x
    x = 10,140,525,551.64/114,900.92
  6. Step 6: Final answer
    x = 88,254.52

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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.