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Finding the Fourth Proportional to 245,558.64, 368,336.60 and 63,189.30

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Solution

The fourth proportional to 245,558.64, 368,336.60 and 63,189.30 is: 94,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,558.64 : 368,336.60 = 63,189.30 : x
  2. Step 2: Convert to fraction form
    245,558.64/368,336.60 = 63,189.30/x
  3. Step 3: Cross multiply
    245,558.64x = 368,336.60 × 63,189.30
  4. Step 4: Simplify right side
    245,558.64x = 23,274,931,918.38
  5. Step 5: Solve for x
    x = 23,274,931,918.38/245,558.64
  6. Step 6: Final answer
    x = 94,783.60

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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.