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Finding the Fourth Proportional to 202,953.85, 280,132.59 and 118,087.30

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Solution

The fourth proportional to 202,953.85, 280,132.59 and 118,087.30 is: 162,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,953.85 : 280,132.59 = 118,087.30 : x
  2. Step 2: Convert to fraction form
    202,953.85/280,132.59 = 118,087.30/x
  3. Step 3: Cross multiply
    202,953.85x = 280,132.59 × 118,087.30
  4. Step 4: Simplify right side
    202,953.85x = 33,080,101,195.11
  5. Step 5: Solve for x
    x = 33,080,101,195.11/202,953.85
  6. Step 6: Final answer
    x = 162,993.22

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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.