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Finding the Fourth Proportional to 286,224.20, 429,549.60 and 109,077.20

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Solution

The fourth proportional to 286,224.20, 429,549.60 and 109,077.20 is: 163,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,224.20 : 429,549.60 = 109,077.20 : x
  2. Step 2: Convert to fraction form
    286,224.20/429,549.60 = 109,077.20/x
  3. Step 3: Cross multiply
    286,224.20x = 429,549.60 × 109,077.20
  4. Step 4: Simplify right side
    286,224.20x = 46,854,067,629.12
  5. Step 5: Solve for x
    x = 46,854,067,629.12/286,224.20
  6. Step 6: Final answer
    x = 163,697.09

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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.