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Finding the Fourth Proportional to 84,658.20, 116,820.06 and 46,931.64

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Solution

The fourth proportional to 84,658.20, 116,820.06 and 46,931.64 is: 64,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,658.20 : 116,820.06 = 46,931.64 : x
  2. Step 2: Convert to fraction form
    84,658.20/116,820.06 = 46,931.64/x
  3. Step 3: Cross multiply
    84,658.20x = 116,820.06 × 46,931.64
  4. Step 4: Simplify right side
    84,658.20x = 5,482,557,000.70
  5. Step 5: Solve for x
    x = 5,482,557,000.70/84,658.20
  6. Step 6: Final answer
    x = 64,761.09

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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.