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Finding the Fourth Proportional to 229,275.76, 316,400.36 and 133,763.96

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Solution

The fourth proportional to 229,275.76, 316,400.36 and 133,763.96 is: 184,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,275.76 : 316,400.36 = 133,763.96 : x
  2. Step 2: Convert to fraction form
    229,275.76/316,400.36 = 133,763.96/x
  3. Step 3: Cross multiply
    229,275.76x = 316,400.36 × 133,763.96
  4. Step 4: Simplify right side
    229,275.76x = 42,322,965,099.03
  5. Step 5: Solve for x
    x = 42,322,965,099.03/229,275.76
  6. Step 6: Final answer
    x = 184,594.15

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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.