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Finding the Fourth Proportional to 169,518.50, 254,314.20 and 57,201.50

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Solution

The fourth proportional to 169,518.50, 254,314.20 and 57,201.50 is: 85,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,518.50 : 254,314.20 = 57,201.50 : x
  2. Step 2: Convert to fraction form
    169,518.50/254,314.20 = 57,201.50/x
  3. Step 3: Cross multiply
    169,518.50x = 254,314.20 × 57,201.50
  4. Step 4: Simplify right side
    169,518.50x = 14,547,153,711.30
  5. Step 5: Solve for x
    x = 14,547,153,711.30/169,518.50
  6. Step 6: Final answer
    x = 85,814.55

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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.