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Finding the Fourth Proportional to 84,907.80, 117,173.98 and 46,670.88

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Solution

The fourth proportional to 84,907.80, 117,173.98 and 46,670.88 is: 64,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,907.80 : 117,173.98 = 46,670.88 : x
  2. Step 2: Convert to fraction form
    84,907.80/117,173.98 = 46,670.88/x
  3. Step 3: Cross multiply
    84,907.80x = 117,173.98 × 46,670.88
  4. Step 4: Simplify right side
    84,907.80x = 5,468,612,759.70
  5. Step 5: Solve for x
    x = 5,468,612,759.70/84,907.80
  6. Step 6: Final answer
    x = 64,406.48

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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.