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Finding the Fourth Proportional to 150,235.80, 207,325.46 and 86,573.04

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Solution

The fourth proportional to 150,235.80, 207,325.46 and 86,573.04 is: 119,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,235.80 : 207,325.46 = 86,573.04 : x
  2. Step 2: Convert to fraction form
    150,235.80/207,325.46 = 86,573.04/x
  3. Step 3: Cross multiply
    150,235.80x = 207,325.46 × 86,573.04
  4. Step 4: Simplify right side
    150,235.80x = 17,948,795,341.60
  5. Step 5: Solve for x
    x = 17,948,795,341.60/150,235.80
  6. Step 6: Final answer
    x = 119,470.83

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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.