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Finding the Fourth Proportional to 229,230.90, 343,846.35 and 159,246.90

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Solution

The fourth proportional to 229,230.90, 343,846.35 and 159,246.90 is: 238,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,230.90 : 343,846.35 = 159,246.90 : x
  2. Step 2: Convert to fraction form
    229,230.90/343,846.35 = 159,246.90/x
  3. Step 3: Cross multiply
    229,230.90x = 343,846.35 × 159,246.90
  4. Step 4: Simplify right side
    229,230.90x = 54,756,465,313.82
  5. Step 5: Solve for x
    x = 54,756,465,313.82/229,230.90
  6. Step 6: Final answer
    x = 238,870.35

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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.