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Finding the Fourth Proportional to 152,808.60, 229,212.90 and 113,442.60

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Solution

The fourth proportional to 152,808.60, 229,212.90 and 113,442.60 is: 170,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,808.60 : 229,212.90 = 113,442.60 : x
  2. Step 2: Convert to fraction form
    152,808.60/229,212.90 = 113,442.60/x
  3. Step 3: Cross multiply
    152,808.60x = 229,212.90 × 113,442.60
  4. Step 4: Simplify right side
    152,808.60x = 26,002,507,329.54
  5. Step 5: Solve for x
    x = 26,002,507,329.54/152,808.60
  6. Step 6: Final answer
    x = 170,163.90

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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.