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Finding the Fourth Proportional to 236,510.40, 355,175.20 and 166,878.40

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Solution

The fourth proportional to 236,510.40, 355,175.20 and 166,878.40 is: 250,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,510.40 : 355,175.20 = 166,878.40 : x
  2. Step 2: Convert to fraction form
    236,510.40/355,175.20 = 166,878.40/x
  3. Step 3: Cross multiply
    236,510.40x = 355,175.20 × 166,878.40
  4. Step 4: Simplify right side
    236,510.40x = 59,271,069,095.68
  5. Step 5: Solve for x
    x = 59,271,069,095.68/236,510.40
  6. Step 6: Final answer
    x = 250,606.61

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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.