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Finding the Fourth Proportional to 316,314.54, 474,166.98 and 116,525.70

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Solution

The fourth proportional to 316,314.54, 474,166.98 and 116,525.70 is: 174,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,314.54 : 474,166.98 = 116,525.70 : x
  2. Step 2: Convert to fraction form
    316,314.54/474,166.98 = 116,525.70/x
  3. Step 3: Cross multiply
    316,314.54x = 474,166.98 × 116,525.70
  4. Step 4: Simplify right side
    316,314.54x = 55,252,639,261.39
  5. Step 5: Solve for x
    x = 55,252,639,261.39/316,314.54
  6. Step 6: Final answer
    x = 174,676.26

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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.