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Finding the Fourth Proportional to 203,373.97, 280,666.38 and 117,300.94

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Solution

The fourth proportional to 203,373.97, 280,666.38 and 117,300.94 is: 161,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,373.97 : 280,666.38 = 117,300.94 : x
  2. Step 2: Convert to fraction form
    203,373.97/280,666.38 = 117,300.94/x
  3. Step 3: Cross multiply
    203,373.97x = 280,666.38 × 117,300.94
  4. Step 4: Simplify right side
    203,373.97x = 32,922,430,200.40
  5. Step 5: Solve for x
    x = 32,922,430,200.40/203,373.97
  6. Step 6: Final answer
    x = 161,881.24

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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.