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Finding the Fourth Proportional to 202,967.01, 280,090.05 and 111,085.85

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Solution

The fourth proportional to 202,967.01, 280,090.05 and 111,085.85 is: 153,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,967.01 : 280,090.05 = 111,085.85 : x
  2. Step 2: Convert to fraction form
    202,967.01/280,090.05 = 111,085.85/x
  3. Step 3: Cross multiply
    202,967.01x = 280,090.05 × 111,085.85
  4. Step 4: Simplify right side
    202,967.01x = 31,114,039,880.34
  5. Step 5: Solve for x
    x = 31,114,039,880.34/202,967.01
  6. Step 6: Final answer
    x = 153,296.04

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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.