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Finding the Fourth Proportional to 245,871.60, 368,151.30 and 245,871.60

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Solution

The fourth proportional to 245,871.60, 368,151.30 and 245,871.60 is: 368,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,871.60 : 368,151.30 = 245,871.60 : x
  2. Step 2: Convert to fraction form
    245,871.60/368,151.30 = 245,871.60/x
  3. Step 3: Cross multiply
    245,871.60x = 368,151.30 × 245,871.60
  4. Step 4: Simplify right side
    245,871.60x = 90,517,949,173.08
  5. Step 5: Solve for x
    x = 90,517,949,173.08/245,871.60
  6. Step 6: Final answer
    x = 368,151.30

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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.