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Finding the Fourth Proportional to 84,506.70, 116,620.11 and 46,780.14

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Solution

The fourth proportional to 84,506.70, 116,620.11 and 46,780.14 is: 64,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,506.70 : 116,620.11 = 46,780.14 : x
  2. Step 2: Convert to fraction form
    84,506.70/116,620.11 = 46,780.14/x
  3. Step 3: Cross multiply
    84,506.70x = 116,620.11 × 46,780.14
  4. Step 4: Simplify right side
    84,506.70x = 5,455,505,072.62
  5. Step 5: Solve for x
    x = 5,455,505,072.62/84,506.70
  6. Step 6: Final answer
    x = 64,557.07

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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.