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Finding the Fourth Proportional to 169,514.40, 254,109.60 and 62,869.80

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Solution

The fourth proportional to 169,514.40, 254,109.60 and 62,869.80 is: 94,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,514.40 : 254,109.60 = 62,869.80 : x
  2. Step 2: Convert to fraction form
    169,514.40/254,109.60 = 62,869.80/x
  3. Step 3: Cross multiply
    169,514.40x = 254,109.60 × 62,869.80
  4. Step 4: Simplify right side
    169,514.40x = 15,975,819,730.08
  5. Step 5: Solve for x
    x = 15,975,819,730.08/169,514.40
  6. Step 6: Final answer
    x = 94,244.62

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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.