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Finding the Fourth Proportional to 202,349.48, 279,262.15 and 117,461.48

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Solution

The fourth proportional to 202,349.48, 279,262.15 and 117,461.48 is: 162,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,349.48 : 279,262.15 = 117,461.48 : x
  2. Step 2: Convert to fraction form
    202,349.48/279,262.15 = 117,461.48/x
  3. Step 3: Cross multiply
    202,349.48x = 279,262.15 × 117,461.48
  4. Step 4: Simplify right side
    202,349.48x = 32,802,543,757.02
  5. Step 5: Solve for x
    x = 32,802,543,757.02/202,349.48
  6. Step 6: Final answer
    x = 162,108.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.