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Finding the Fourth Proportional to 171,902.80, 237,765 and 152,030.80

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Solution

The fourth proportional to 171,902.80, 237,765 and 152,030.80 is: 210,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,902.80 : 237,765 = 152,030.80 : x
  2. Step 2: Convert to fraction form
    171,902.80/237,765 = 152,030.80/x
  3. Step 3: Cross multiply
    171,902.80x = 237,765 × 152,030.80
  4. Step 4: Simplify right side
    171,902.80x = 36,147,603,162
  5. Step 5: Solve for x
    x = 36,147,603,162/171,902.80
  6. Step 6: Final answer
    x = 210,279.32

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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.