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Finding the Fourth Proportional to 226,365.12, 312,393.72 and 125,763.12

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Solution

The fourth proportional to 226,365.12, 312,393.72 and 125,763.12 is: 173,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,365.12 : 312,393.72 = 125,763.12 : x
  2. Step 2: Convert to fraction form
    226,365.12/312,393.72 = 125,763.12/x
  3. Step 3: Cross multiply
    226,365.12x = 312,393.72 × 125,763.12
  4. Step 4: Simplify right side
    226,365.12x = 39,287,608,895.61
  5. Step 5: Solve for x
    x = 39,287,608,895.61/226,365.12
  6. Step 6: Final answer
    x = 173,558.58

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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.