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Finding the Fourth Proportional to 265,225.20, 397,837.80 and 123,070.20

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Solution

The fourth proportional to 265,225.20, 397,837.80 and 123,070.20 is: 184,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,225.20 : 397,837.80 = 123,070.20 : x
  2. Step 2: Convert to fraction form
    265,225.20/397,837.80 = 123,070.20/x
  3. Step 3: Cross multiply
    265,225.20x = 397,837.80 × 123,070.20
  4. Step 4: Simplify right side
    265,225.20x = 48,961,977,613.56
  5. Step 5: Solve for x
    x = 48,961,977,613.56/265,225.20
  6. Step 6: Final answer
    x = 184,605.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.