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Finding the Fourth Proportional to 358,371.70, 537,557.56 and 109,124.98

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Solution

The fourth proportional to 358,371.70, 537,557.56 and 109,124.98 is: 163,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,371.70 : 537,557.56 = 109,124.98 : x
  2. Step 2: Convert to fraction form
    358,371.70/537,557.56 = 109,124.98/x
  3. Step 3: Cross multiply
    358,371.70x = 537,557.56 × 109,124.98
  4. Step 4: Simplify right side
    358,371.70x = 58,660,957,983.85
  5. Step 5: Solve for x
    x = 58,660,957,983.85/358,371.70
  6. Step 6: Final answer
    x = 163,687.47

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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.