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Finding the Fourth Proportional to 245,046.40, 367,569.60 and 104,819.20

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Solution

The fourth proportional to 245,046.40, 367,569.60 and 104,819.20 is: 157,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,046.40 : 367,569.60 = 104,819.20 : x
  2. Step 2: Convert to fraction form
    245,046.40/367,569.60 = 104,819.20/x
  3. Step 3: Cross multiply
    245,046.40x = 367,569.60 × 104,819.20
  4. Step 4: Simplify right side
    245,046.40x = 38,528,351,416.32
  5. Step 5: Solve for x
    x = 38,528,351,416.32/245,046.40
  6. Step 6: Final answer
    x = 157,228.80

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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.