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Finding the Fourth Proportional to 118,611.08, 177,873.48 and 39,706.56

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Solution

The fourth proportional to 118,611.08, 177,873.48 and 39,706.56 is: 59,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,611.08 : 177,873.48 = 39,706.56 : x
  2. Step 2: Convert to fraction form
    118,611.08/177,873.48 = 39,706.56/x
  3. Step 3: Cross multiply
    118,611.08x = 177,873.48 × 39,706.56
  4. Step 4: Simplify right side
    118,611.08x = 7,062,744,006.03
  5. Step 5: Solve for x
    x = 7,062,744,006.03/118,611.08
  6. Step 6: Final answer
    x = 59,545.40

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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.