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Finding the Fourth Proportional to 174,968.70, 262,453.05 and 172,052.70

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Solution

The fourth proportional to 174,968.70, 262,453.05 and 172,052.70 is: 258,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,968.70 : 262,453.05 = 172,052.70 : x
  2. Step 2: Convert to fraction form
    174,968.70/262,453.05 = 172,052.70/x
  3. Step 3: Cross multiply
    174,968.70x = 262,453.05 × 172,052.70
  4. Step 4: Simplify right side
    174,968.70x = 45,155,755,875.74
  5. Step 5: Solve for x
    x = 45,155,755,875.74/174,968.70
  6. Step 6: Final answer
    x = 258,079.05

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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.