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Finding the Fourth Proportional to 194,823.60, 292,264.60 and 82,503.60

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Solution

The fourth proportional to 194,823.60, 292,264.60 and 82,503.60 is: 123,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,823.60 : 292,264.60 = 82,503.60 : x
  2. Step 2: Convert to fraction form
    194,823.60/292,264.60 = 82,503.60/x
  3. Step 3: Cross multiply
    194,823.60x = 292,264.60 × 82,503.60
  4. Step 4: Simplify right side
    194,823.60x = 24,112,881,652.56
  5. Step 5: Solve for x
    x = 24,112,881,652.56/194,823.60
  6. Step 6: Final answer
    x = 123,767.77

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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.