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Finding the Fourth Proportional to 83,953.25, 115,879.91 and 67,075.01

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Solution

The fourth proportional to 83,953.25, 115,879.91 and 67,075.01 is: 92,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,953.25 : 115,879.91 = 67,075.01 : x
  2. Step 2: Convert to fraction form
    83,953.25/115,879.91 = 67,075.01/x
  3. Step 3: Cross multiply
    83,953.25x = 115,879.91 × 67,075.01
  4. Step 4: Simplify right side
    83,953.25x = 7,772,645,207.27
  5. Step 5: Solve for x
    x = 7,772,645,207.27/83,953.25
  6. Step 6: Final answer
    x = 92,583.02

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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.