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Finding the Fourth Proportional to 181,313.80, 271,970.70 and 180,001.60

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Solution

The fourth proportional to 181,313.80, 271,970.70 and 180,001.60 is: 270,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,313.80 : 271,970.70 = 180,001.60 : x
  2. Step 2: Convert to fraction form
    181,313.80/271,970.70 = 180,001.60/x
  3. Step 3: Cross multiply
    181,313.80x = 271,970.70 × 180,001.60
  4. Step 4: Simplify right side
    181,313.80x = 48,955,161,153.12
  5. Step 5: Solve for x
    x = 48,955,161,153.12/181,313.80
  6. Step 6: Final answer
    x = 270,002.40

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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.