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Finding the Fourth Proportional to 84,891.90, 117,152.92 and 46,651.16

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Solution

The fourth proportional to 84,891.90, 117,152.92 and 46,651.16 is: 64,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,891.90 : 117,152.92 = 46,651.16 : x
  2. Step 2: Convert to fraction form
    84,891.90/117,152.92 = 46,651.16/x
  3. Step 3: Cross multiply
    84,891.90x = 117,152.92 × 46,651.16
  4. Step 4: Simplify right side
    84,891.90x = 5,465,319,615.39
  5. Step 5: Solve for x
    x = 5,465,319,615.39/84,891.90
  6. Step 6: Final answer
    x = 64,379.75

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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.