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Finding the Fourth Proportional to 226,503.10, 312,574.48 and 124,530.30

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Solution

The fourth proportional to 226,503.10, 312,574.48 and 124,530.30 is: 171,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,503.10 : 312,574.48 = 124,530.30 : x
  2. Step 2: Convert to fraction form
    226,503.10/312,574.48 = 124,530.30/x
  3. Step 3: Cross multiply
    226,503.10x = 312,574.48 × 124,530.30
  4. Step 4: Simplify right side
    226,503.10x = 38,924,993,766.74
  5. Step 5: Solve for x
    x = 38,924,993,766.74/226,503.10
  6. Step 6: Final answer
    x = 171,851.93

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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.