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Finding the Fourth Proportional to 84,461.64, 116,553.53 and 50,488.82

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Solution

The fourth proportional to 84,461.64, 116,553.53 and 50,488.82 is: 69,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,461.64 : 116,553.53 = 50,488.82 : x
  2. Step 2: Convert to fraction form
    84,461.64/116,553.53 = 50,488.82/x
  3. Step 3: Cross multiply
    84,461.64x = 116,553.53 × 50,488.82
  4. Step 4: Simplify right side
    84,461.64x = 5,884,650,177.06
  5. Step 5: Solve for x
    x = 5,884,650,177.06/84,461.64
  6. Step 6: Final answer
    x = 69,672.46

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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.