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Finding the Fourth Proportional to 226,468.55, 312,530.55 and 124,498.31

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Solution

The fourth proportional to 226,468.55, 312,530.55 and 124,498.31 is: 171,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,468.55 : 312,530.55 = 124,498.31 : x
  2. Step 2: Convert to fraction form
    226,468.55/312,530.55 = 124,498.31/x
  3. Step 3: Cross multiply
    226,468.55x = 312,530.55 × 124,498.31
  4. Step 4: Simplify right side
    226,468.55x = 38,909,523,268.85
  5. Step 5: Solve for x
    x = 38,909,523,268.85/226,468.55
  6. Step 6: Final answer
    x = 171,809.83

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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.