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Finding the Fourth Proportional to 177,394.80, 266,092.20 and 156,658.80

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Solution

The fourth proportional to 177,394.80, 266,092.20 and 156,658.80 is: 234,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,394.80 : 266,092.20 = 156,658.80 : x
  2. Step 2: Convert to fraction form
    177,394.80/266,092.20 = 156,658.80/x
  3. Step 3: Cross multiply
    177,394.80x = 266,092.20 × 156,658.80
  4. Step 4: Simplify right side
    177,394.80x = 41,685,684,741.36
  5. Step 5: Solve for x
    x = 41,685,684,741.36/177,394.80
  6. Step 6: Final answer
    x = 234,988.20

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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.