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Finding the Fourth Proportional to 229,301.80, 316,445.59 and 132,502.45

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Solution

The fourth proportional to 229,301.80, 316,445.59 and 132,502.45 is: 182,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,301.80 : 316,445.59 = 132,502.45 : x
  2. Step 2: Convert to fraction form
    229,301.80/316,445.59 = 132,502.45/x
  3. Step 3: Cross multiply
    229,301.80x = 316,445.59 × 132,502.45
  4. Step 4: Simplify right side
    229,301.80x = 41,929,815,966.70
  5. Step 5: Solve for x
    x = 41,929,815,966.70/229,301.80
  6. Step 6: Final answer
    x = 182,858.64

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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.