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Finding the Fourth Proportional to 177,455.70, 266,256.45 and 65,189.70

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Solution

The fourth proportional to 177,455.70, 266,256.45 and 65,189.70 is: 97,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,455.70 : 266,256.45 = 65,189.70 : x
  2. Step 2: Convert to fraction form
    177,455.70/266,256.45 = 65,189.70/x
  3. Step 3: Cross multiply
    177,455.70x = 266,256.45 × 65,189.70
  4. Step 4: Simplify right side
    177,455.70x = 17,357,178,098.57
  5. Step 5: Solve for x
    x = 17,357,178,098.57/177,455.70
  6. Step 6: Final answer
    x = 97,811.33

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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.