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Finding the Fourth Proportional to 84,506.88, 116,642.76 and 50,538.72

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Solution

The fourth proportional to 84,506.88, 116,642.76 and 50,538.72 is: 69,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,506.88 : 116,642.76 = 50,538.72 : x
  2. Step 2: Convert to fraction form
    84,506.88/116,642.76 = 50,538.72/x
  3. Step 3: Cross multiply
    84,506.88x = 116,642.76 × 50,538.72
  4. Step 4: Simplify right side
    84,506.88x = 5,894,975,787.67
  5. Step 5: Solve for x
    x = 5,894,975,787.67/84,506.88
  6. Step 6: Final answer
    x = 69,757.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.