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Finding the Fourth Proportional to 170,245.62, 255,358.71 and 65,075.22

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Solution

The fourth proportional to 170,245.62, 255,358.71 and 65,075.22 is: 97,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,245.62 : 255,358.71 = 65,075.22 : x
  2. Step 2: Convert to fraction form
    170,245.62/255,358.71 = 65,075.22/x
  3. Step 3: Cross multiply
    170,245.62x = 255,358.71 × 65,075.22
  4. Step 4: Simplify right side
    170,245.62x = 16,617,524,232.17
  5. Step 5: Solve for x
    x = 16,617,524,232.17/170,245.62
  6. Step 6: Final answer
    x = 97,609.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.