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Finding the Fourth Proportional to 177,644.40, 266,612.40 and 171,812.40

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Solution

The fourth proportional to 177,644.40, 266,612.40 and 171,812.40 is: 257,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,644.40 : 266,612.40 = 171,812.40 : x
  2. Step 2: Convert to fraction form
    177,644.40/266,612.40 = 171,812.40/x
  3. Step 3: Cross multiply
    177,644.40x = 266,612.40 × 171,812.40
  4. Step 4: Simplify right side
    177,644.40x = 45,807,316,313.76
  5. Step 5: Solve for x
    x = 45,807,316,313.76/177,644.40
  6. Step 6: Final answer
    x = 257,859.61

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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.