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Finding the Fourth Proportional to 177,457.80, 266,186.70 and 164,627.40

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Solution

The fourth proportional to 177,457.80, 266,186.70 and 164,627.40 is: 246,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,457.80 : 266,186.70 = 164,627.40 : x
  2. Step 2: Convert to fraction form
    177,457.80/266,186.70 = 164,627.40/x
  3. Step 3: Cross multiply
    177,457.80x = 266,186.70 × 164,627.40
  4. Step 4: Simplify right side
    177,457.80x = 43,821,624,335.58
  5. Step 5: Solve for x
    x = 43,821,624,335.58/177,457.80
  6. Step 6: Final answer
    x = 246,941.10

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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.