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Finding the Fourth Proportional to 177,654.80, 266,443.80 and 77,814.80

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Solution

The fourth proportional to 177,654.80, 266,443.80 and 77,814.80 is: 116,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,654.80 : 266,443.80 = 77,814.80 : x
  2. Step 2: Convert to fraction form
    177,654.80/266,443.80 = 77,814.80/x
  3. Step 3: Cross multiply
    177,654.80x = 266,443.80 × 77,814.80
  4. Step 4: Simplify right side
    177,654.80x = 20,733,271,008.24
  5. Step 5: Solve for x
    x = 20,733,271,008.24/177,654.80
  6. Step 6: Final answer
    x = 116,705.38

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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.