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Finding the Fourth Proportional to 358,047.92, 536,751.12 and 147,551.60

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Solution

The fourth proportional to 358,047.92, 536,751.12 and 147,551.60 is: 221,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,047.92 : 536,751.12 = 147,551.60 : x
  2. Step 2: Convert to fraction form
    358,047.92/536,751.12 = 147,551.60/x
  3. Step 3: Cross multiply
    358,047.92x = 536,751.12 × 147,551.60
  4. Step 4: Simplify right side
    358,047.92x = 79,198,486,557.79
  5. Step 5: Solve for x
    x = 79,198,486,557.79/358,047.92
  6. Step 6: Final answer
    x = 221,195.21

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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.