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Finding the Fourth Proportional to 181,887.40, 272,879.70 and 162,301.60

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Solution

The fourth proportional to 181,887.40, 272,879.70 and 162,301.60 is: 243,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,887.40 : 272,879.70 = 162,301.60 : x
  2. Step 2: Convert to fraction form
    181,887.40/272,879.70 = 162,301.60/x
  3. Step 3: Cross multiply
    181,887.40x = 272,879.70 × 162,301.60
  4. Step 4: Simplify right side
    181,887.40x = 44,288,811,917.52
  5. Step 5: Solve for x
    x = 44,288,811,917.52/181,887.40
  6. Step 6: Final answer
    x = 243,495.77

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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.