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Finding the Fourth Proportional to 229,553.60, 316,693.26 and 132,739.64

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Solution

The fourth proportional to 229,553.60, 316,693.26 and 132,739.64 is: 183,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,553.60 : 316,693.26 = 132,739.64 : x
  2. Step 2: Convert to fraction form
    229,553.60/316,693.26 = 132,739.64/x
  3. Step 3: Cross multiply
    229,553.60x = 316,693.26 × 132,739.64
  4. Step 4: Simplify right side
    229,553.60x = 42,037,749,322.83
  5. Step 5: Solve for x
    x = 42,037,749,322.83/229,553.60
  6. Step 6: Final answer
    x = 183,128.25

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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.