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Finding the Fourth Proportional to 358,369.98, 537,632.74 and 109,045.50

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Solution

The fourth proportional to 358,369.98, 537,632.74 and 109,045.50 is: 163,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,369.98 : 537,632.74 = 109,045.50 : x
  2. Step 2: Convert to fraction form
    358,369.98/537,632.74 = 109,045.50/x
  3. Step 3: Cross multiply
    358,369.98x = 537,632.74 × 109,045.50
  4. Step 4: Simplify right side
    358,369.98x = 58,626,430,949.67
  5. Step 5: Solve for x
    x = 58,626,430,949.67/358,369.98
  6. Step 6: Final answer
    x = 163,591.91

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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.