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Finding the Fourth Proportional to 84,655.68, 116,836.71 and 52,400.64

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Solution

The fourth proportional to 84,655.68, 116,836.71 and 52,400.64 is: 72,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,655.68 : 116,836.71 = 52,400.64 : x
  2. Step 2: Convert to fraction form
    84,655.68/116,836.71 = 52,400.64/x
  3. Step 3: Cross multiply
    84,655.68x = 116,836.71 × 52,400.64
  4. Step 4: Simplify right side
    84,655.68x = 6,122,318,379.49
  5. Step 5: Solve for x
    x = 6,122,318,379.49/84,655.68
  6. Step 6: Final answer
    x = 72,320.23

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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.