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Finding the Fourth Proportional to 177,561.81, 266,342.70 and 65,193.40

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Solution

The fourth proportional to 177,561.81, 266,342.70 and 65,193.40 is: 97,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,561.81 : 266,342.70 = 65,193.40 : x
  2. Step 2: Convert to fraction form
    177,561.81/266,342.70 = 65,193.40/x
  3. Step 3: Cross multiply
    177,561.81x = 266,342.70 × 65,193.40
  4. Step 4: Simplify right side
    177,561.81x = 17,363,786,178.18
  5. Step 5: Solve for x
    x = 17,363,786,178.18/177,561.81
  6. Step 6: Final answer
    x = 97,790.09

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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.