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Finding the Fourth Proportional to 155,082.63, 232,629.87 and 48,476.40

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Solution

The fourth proportional to 155,082.63, 232,629.87 and 48,476.40 is: 72,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,082.63 : 232,629.87 = 48,476.40 : x
  2. Step 2: Convert to fraction form
    155,082.63/232,629.87 = 48,476.40/x
  3. Step 3: Cross multiply
    155,082.63x = 232,629.87 × 48,476.40
  4. Step 4: Simplify right side
    155,082.63x = 11,277,058,630.07
  5. Step 5: Solve for x
    x = 11,277,058,630.07/155,082.63
  6. Step 6: Final answer
    x = 72,716.45

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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.