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Finding the Fourth Proportional to 355,283.10, 532,751.72 and 118,545.75

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Solution

The fourth proportional to 355,283.10, 532,751.72 and 118,545.75 is: 177,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,283.10 : 532,751.72 = 118,545.75 : x
  2. Step 2: Convert to fraction form
    355,283.10/532,751.72 = 118,545.75/x
  3. Step 3: Cross multiply
    355,283.10x = 532,751.72 × 118,545.75
  4. Step 4: Simplify right side
    355,283.10x = 63,155,451,618.46
  5. Step 5: Solve for x
    x = 63,155,451,618.46/355,283.10
  6. Step 6: Final answer
    x = 177,760.92

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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.