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Finding the Fourth Proportional to 231,063.80, 346,595.70 and 154,956.20

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Solution

The fourth proportional to 231,063.80, 346,595.70 and 154,956.20 is: 232,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,063.80 : 346,595.70 = 154,956.20 : x
  2. Step 2: Convert to fraction form
    231,063.80/346,595.70 = 154,956.20/x
  3. Step 3: Cross multiply
    231,063.80x = 346,595.70 × 154,956.20
  4. Step 4: Simplify right side
    231,063.80x = 53,707,152,608.34
  5. Step 5: Solve for x
    x = 53,707,152,608.34/231,063.80
  6. Step 6: Final answer
    x = 232,434.30

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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.