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Finding the Fourth Proportional to 202,887.96, 279,961.03 and 116,875.07

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Solution

The fourth proportional to 202,887.96, 279,961.03 and 116,875.07 is: 161,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,887.96 : 279,961.03 = 116,875.07 : x
  2. Step 2: Convert to fraction form
    202,887.96/279,961.03 = 116,875.07/x
  3. Step 3: Cross multiply
    202,887.96x = 279,961.03 × 116,875.07
  4. Step 4: Simplify right side
    202,887.96x = 32,720,464,117.24
  5. Step 5: Solve for x
    x = 32,720,464,117.24/202,887.96
  6. Step 6: Final answer
    x = 161,273.57

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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.