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Finding the Fourth Proportional to 236,513.40, 355,179.70 and 166,881.40

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Solution

The fourth proportional to 236,513.40, 355,179.70 and 166,881.40 is: 250,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,513.40 : 355,179.70 = 166,881.40 : x
  2. Step 2: Convert to fraction form
    236,513.40/355,179.70 = 166,881.40/x
  3. Step 3: Cross multiply
    236,513.40x = 355,179.70 × 166,881.40
  4. Step 4: Simplify right side
    236,513.40x = 59,272,885,587.58
  5. Step 5: Solve for x
    x = 59,272,885,587.58/236,513.40
  6. Step 6: Final answer
    x = 250,611.11

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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.