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Finding the Fourth Proportional to 203,094.54, 280,280.88 and 112,460.40

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Solution

The fourth proportional to 203,094.54, 280,280.88 and 112,460.40 is: 155,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,094.54 : 280,280.88 = 112,460.40 : x
  2. Step 2: Convert to fraction form
    203,094.54/280,280.88 = 112,460.40/x
  3. Step 3: Cross multiply
    203,094.54x = 280,280.88 × 112,460.40
  4. Step 4: Simplify right side
    203,094.54x = 31,520,499,877.15
  5. Step 5: Solve for x
    x = 31,520,499,877.15/203,094.54
  6. Step 6: Final answer
    x = 155,201.12

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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.