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Finding the Fourth Proportional to 245,763.62, 368,788.80 and 103,600.25

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Solution

The fourth proportional to 245,763.62, 368,788.80 and 103,600.25 is: 155,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,763.62 : 368,788.80 = 103,600.25 : x
  2. Step 2: Convert to fraction form
    245,763.62/368,788.80 = 103,600.25/x
  3. Step 3: Cross multiply
    245,763.62x = 368,788.80 × 103,600.25
  4. Step 4: Simplify right side
    245,763.62x = 38,206,611,877.20
  5. Step 5: Solve for x
    x = 38,206,611,877.20/245,763.62
  6. Step 6: Final answer
    x = 155,460.81

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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.