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Finding the Fourth Proportional to 358,441.66, 537,754.75 and 105,711.94

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Solution

The fourth proportional to 358,441.66, 537,754.75 and 105,711.94 is: 158,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,441.66 : 537,754.75 = 105,711.94 : x
  2. Step 2: Convert to fraction form
    358,441.66/537,754.75 = 105,711.94/x
  3. Step 3: Cross multiply
    358,441.66x = 537,754.75 × 105,711.94
  4. Step 4: Simplify right side
    358,441.66x = 56,847,095,249.76
  5. Step 5: Solve for x
    x = 56,847,095,249.76/358,441.66
  6. Step 6: Final answer
    x = 158,595.11

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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.