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Finding the Fourth Proportional to 229,042.59, 316,227.22 and 147,407.42

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Solution

The fourth proportional to 229,042.59, 316,227.22 and 147,407.42 is: 203,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,042.59 : 316,227.22 = 147,407.42 : x
  2. Step 2: Convert to fraction form
    229,042.59/316,227.22 = 147,407.42/x
  3. Step 3: Cross multiply
    229,042.59x = 316,227.22 × 147,407.42
  4. Step 4: Simplify right side
    229,042.59x = 46,614,236,684.32
  5. Step 5: Solve for x
    x = 46,614,236,684.32/229,042.59
  6. Step 6: Final answer
    x = 203,517.77

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1.5x scale

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.