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Finding the Fourth Proportional to 230,886.42, 346,439.18 and 159,918.18

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Solution

The fourth proportional to 230,886.42, 346,439.18 and 159,918.18 is: 239,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,886.42 : 346,439.18 = 159,918.18 : x
  2. Step 2: Convert to fraction form
    230,886.42/346,439.18 = 159,918.18/x
  3. Step 3: Cross multiply
    230,886.42x = 346,439.18 × 159,918.18
  4. Step 4: Simplify right side
    230,886.42x = 55,401,923,146.29
  5. Step 5: Solve for x
    x = 55,401,923,146.29/230,886.42
  6. Step 6: Final answer
    x = 239,953.15

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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.