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Finding the Fourth Proportional to 169,636, 254,454 and 52,900

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Solution

The fourth proportional to 169,636, 254,454 and 52,900 is: 79,350

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,636 : 254,454 = 52,900 : x
  2. Step 2: Convert to fraction form
    169,636/254,454 = 52,900/x
  3. Step 3: Cross multiply
    169,636x = 254,454 × 52,900
  4. Step 4: Simplify right side
    169,636x = 13,460,616,600
  5. Step 5: Solve for x
    x = 13,460,616,600/169,636
  6. Step 6: Final answer
    x = 79,350

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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.