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Finding the Fourth Proportional to 152,605.20, 228,907.80 and 130,054.80

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Solution

The fourth proportional to 152,605.20, 228,907.80 and 130,054.80 is: 195,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,605.20 : 228,907.80 = 130,054.80 : x
  2. Step 2: Convert to fraction form
    152,605.20/228,907.80 = 130,054.80/x
  3. Step 3: Cross multiply
    152,605.20x = 228,907.80 × 130,054.80
  4. Step 4: Simplify right side
    152,605.20x = 29,770,558,147.44
  5. Step 5: Solve for x
    x = 29,770,558,147.44/152,605.20
  6. Step 6: Final answer
    x = 195,082.20

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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.