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Finding the Fourth Proportional to 229,166.60, 344,009.10 and 123,931.40

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Solution

The fourth proportional to 229,166.60, 344,009.10 and 123,931.40 is: 186,037.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,166.60 : 344,009.10 = 123,931.40 : x
  2. Step 2: Convert to fraction form
    229,166.60/344,009.10 = 123,931.40/x
  3. Step 3: Cross multiply
    229,166.60x = 344,009.10 × 123,931.40
  4. Step 4: Simplify right side
    229,166.60x = 42,633,529,375.74
  5. Step 5: Solve for x
    x = 42,633,529,375.74/229,166.60
  6. Step 6: Final answer
    x = 186,037.27

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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.