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Finding the Fourth Proportional to 226,507.70, 312,582.77 and 124,533.87

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Solution

The fourth proportional to 226,507.70, 312,582.77 and 124,533.87 is: 171,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,507.70 : 312,582.77 = 124,533.87 : x
  2. Step 2: Convert to fraction form
    226,507.70/312,582.77 = 124,533.87/x
  3. Step 3: Cross multiply
    226,507.70x = 312,582.77 × 124,533.87
  4. Step 4: Simplify right side
    226,507.70x = 38,927,140,715.57
  5. Step 5: Solve for x
    x = 38,927,140,715.57/226,507.70
  6. Step 6: Final answer
    x = 171,857.91

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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.