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Finding the Fourth Proportional to 154,029.46, 212,471.92 and 92,732.98

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Solution

The fourth proportional to 154,029.46, 212,471.92 and 92,732.98 is: 127,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,029.46 : 212,471.92 = 92,732.98 : x
  2. Step 2: Convert to fraction form
    154,029.46/212,471.92 = 92,732.98/x
  3. Step 3: Cross multiply
    154,029.46x = 212,471.92 × 92,732.98
  4. Step 4: Simplify right side
    154,029.46x = 19,703,154,307.92
  5. Step 5: Solve for x
    x = 19,703,154,307.92/154,029.46
  6. Step 6: Final answer
    x = 127,918.09

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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.